[324] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2013, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TEncSlice.cpp |
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| 35 | \brief slice encoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TEncTop.h" |
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| 39 | #include "TEncSlice.h" |
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| 40 | #include <math.h> |
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| 41 | |
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| 42 | //! \ingroup TLibEncoder |
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| 43 | //! \{ |
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| 44 | |
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| 45 | // ==================================================================================================================== |
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| 46 | // Constructor / destructor / create / destroy |
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| 47 | // ==================================================================================================================== |
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| 48 | |
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| 49 | TEncSlice::TEncSlice() |
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| 50 | { |
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| 51 | m_apcPicYuvPred = NULL; |
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| 52 | m_apcPicYuvResi = NULL; |
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| 53 | |
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| 54 | m_pdRdPicLambda = NULL; |
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| 55 | m_pdRdPicQp = NULL; |
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| 56 | m_piRdPicQp = NULL; |
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| 57 | m_pcBufferSbacCoders = NULL; |
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| 58 | m_pcBufferBinCoderCABACs = NULL; |
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| 59 | m_pcBufferLowLatSbacCoders = NULL; |
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| 60 | m_pcBufferLowLatBinCoderCABACs = NULL; |
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| 61 | } |
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| 62 | |
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| 63 | TEncSlice::~TEncSlice() |
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| 64 | { |
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| 65 | for (std::vector<TEncSbac*>::iterator i = CTXMem.begin(); i != CTXMem.end(); i++) |
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| 66 | { |
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| 67 | delete (*i); |
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| 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | Void TEncSlice::initCtxMem( UInt i ) |
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| 72 | { |
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| 73 | for (std::vector<TEncSbac*>::iterator j = CTXMem.begin(); j != CTXMem.end(); j++) |
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| 74 | { |
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| 75 | delete (*j); |
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| 76 | } |
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| 77 | CTXMem.clear(); |
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| 78 | CTXMem.resize(i); |
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| 79 | } |
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| 80 | |
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| 81 | Void TEncSlice::create( Int iWidth, Int iHeight, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth ) |
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| 82 | { |
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| 83 | // create prediction picture |
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| 84 | if ( m_apcPicYuvPred == NULL ) |
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| 85 | { |
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| 86 | m_apcPicYuvPred = new TComPicYuv; |
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| 87 | m_apcPicYuvPred->create( iWidth, iHeight, iMaxCUWidth, iMaxCUHeight, uhTotalDepth ); |
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| 88 | } |
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| 89 | |
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| 90 | // create residual picture |
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| 91 | if( m_apcPicYuvResi == NULL ) |
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| 92 | { |
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| 93 | m_apcPicYuvResi = new TComPicYuv; |
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| 94 | m_apcPicYuvResi->create( iWidth, iHeight, iMaxCUWidth, iMaxCUHeight, uhTotalDepth ); |
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| 95 | } |
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| 96 | } |
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| 97 | |
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| 98 | Void TEncSlice::destroy() |
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| 99 | { |
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| 100 | // destroy prediction picture |
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| 101 | if ( m_apcPicYuvPred ) |
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| 102 | { |
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| 103 | m_apcPicYuvPred->destroy(); |
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| 104 | delete m_apcPicYuvPred; |
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| 105 | m_apcPicYuvPred = NULL; |
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| 106 | } |
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| 107 | |
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| 108 | // destroy residual picture |
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| 109 | if ( m_apcPicYuvResi ) |
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| 110 | { |
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| 111 | m_apcPicYuvResi->destroy(); |
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| 112 | delete m_apcPicYuvResi; |
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| 113 | m_apcPicYuvResi = NULL; |
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| 114 | } |
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| 115 | |
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| 116 | // free lambda and QP arrays |
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| 117 | if ( m_pdRdPicLambda ) { xFree( m_pdRdPicLambda ); m_pdRdPicLambda = NULL; } |
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| 118 | if ( m_pdRdPicQp ) { xFree( m_pdRdPicQp ); m_pdRdPicQp = NULL; } |
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| 119 | if ( m_piRdPicQp ) { xFree( m_piRdPicQp ); m_piRdPicQp = NULL; } |
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| 120 | |
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| 121 | if ( m_pcBufferSbacCoders ) |
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| 122 | { |
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| 123 | delete[] m_pcBufferSbacCoders; |
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| 124 | } |
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| 125 | if ( m_pcBufferBinCoderCABACs ) |
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| 126 | { |
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| 127 | delete[] m_pcBufferBinCoderCABACs; |
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| 128 | } |
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| 129 | if ( m_pcBufferLowLatSbacCoders ) |
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| 130 | delete[] m_pcBufferLowLatSbacCoders; |
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| 131 | if ( m_pcBufferLowLatBinCoderCABACs ) |
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| 132 | delete[] m_pcBufferLowLatBinCoderCABACs; |
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| 133 | } |
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| 134 | |
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| 135 | Void TEncSlice::init( TEncTop* pcEncTop ) |
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| 136 | { |
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| 137 | m_pcCfg = pcEncTop; |
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| 138 | m_pcListPic = pcEncTop->getListPic(); |
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| 139 | |
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| 140 | m_pcGOPEncoder = pcEncTop->getGOPEncoder(); |
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| 141 | m_pcCuEncoder = pcEncTop->getCuEncoder(); |
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| 142 | m_pcPredSearch = pcEncTop->getPredSearch(); |
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| 143 | |
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| 144 | m_pcEntropyCoder = pcEncTop->getEntropyCoder(); |
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| 145 | m_pcCavlcCoder = pcEncTop->getCavlcCoder(); |
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| 146 | m_pcSbacCoder = pcEncTop->getSbacCoder(); |
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| 147 | m_pcBinCABAC = pcEncTop->getBinCABAC(); |
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| 148 | m_pcTrQuant = pcEncTop->getTrQuant(); |
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| 149 | |
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| 150 | m_pcBitCounter = pcEncTop->getBitCounter(); |
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| 151 | m_pcRdCost = pcEncTop->getRdCost(); |
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| 152 | m_pppcRDSbacCoder = pcEncTop->getRDSbacCoder(); |
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| 153 | m_pcRDGoOnSbacCoder = pcEncTop->getRDGoOnSbacCoder(); |
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| 154 | |
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| 155 | // create lambda and QP arrays |
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| 156 | m_pdRdPicLambda = (Double*)xMalloc( Double, m_pcCfg->getDeltaQpRD() * 2 + 1 ); |
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| 157 | m_pdRdPicQp = (Double*)xMalloc( Double, m_pcCfg->getDeltaQpRD() * 2 + 1 ); |
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| 158 | m_piRdPicQp = (Int* )xMalloc( Int, m_pcCfg->getDeltaQpRD() * 2 + 1 ); |
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| 159 | m_pcRateCtrl = pcEncTop->getRateCtrl(); |
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| 160 | } |
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| 161 | |
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| 162 | /** |
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| 163 | - non-referenced frame marking |
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| 164 | - QP computation based on temporal structure |
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| 165 | - lambda computation based on QP |
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| 166 | - set temporal layer ID and the parameter sets |
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| 167 | . |
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| 168 | \param pcPic picture class |
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| 169 | \param pocLast POC of last picture |
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| 170 | \param pocCurr current POC |
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| 171 | \param iNumPicRcvd number of received pictures |
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| 172 | \param iTimeOffset POC offset for hierarchical structure |
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| 173 | \param iDepth temporal layer depth |
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| 174 | \param rpcSlice slice header class |
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| 175 | \param pSPS SPS associated with the slice |
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| 176 | \param pPPS PPS associated with the slice |
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| 177 | */ |
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| 178 | Void TEncSlice::initEncSlice( TComPic* pcPic, Int pocLast, Int pocCurr, Int iNumPicRcvd, Int iGOPid, TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS ) |
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| 179 | { |
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| 180 | Double dQP; |
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| 181 | Double dLambda; |
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| 182 | |
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| 183 | rpcSlice = pcPic->getSlice(0); |
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| 184 | rpcSlice->setSPS( pSPS ); |
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| 185 | rpcSlice->setPPS( pPPS ); |
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| 186 | rpcSlice->setSliceBits(0); |
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| 187 | rpcSlice->setPic( pcPic ); |
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| 188 | rpcSlice->initSlice(); |
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| 189 | rpcSlice->setPicOutputFlag( true ); |
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| 190 | rpcSlice->setPOC( pocCurr ); |
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| 191 | |
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| 192 | // depth computation based on GOP size |
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| 193 | Int depth; |
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| 194 | { |
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| 195 | Int poc = rpcSlice->getPOC()%m_pcCfg->getGOPSize(); |
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| 196 | if ( poc == 0 ) |
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| 197 | { |
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| 198 | depth = 0; |
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| 199 | } |
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| 200 | else |
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| 201 | { |
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| 202 | Int step = m_pcCfg->getGOPSize(); |
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| 203 | depth = 0; |
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| 204 | for( Int i=step>>1; i>=1; i>>=1 ) |
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| 205 | { |
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| 206 | for ( Int j=i; j<m_pcCfg->getGOPSize(); j+=step ) |
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| 207 | { |
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| 208 | if ( j == poc ) |
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| 209 | { |
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| 210 | i=0; |
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| 211 | break; |
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| 212 | } |
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| 213 | } |
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| 214 | step >>= 1; |
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| 215 | depth++; |
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| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | |
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| 220 | // slice type |
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[368] | 221 | #if H_MV |
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| 222 | SliceType eSliceTypeBaseView; |
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| 223 | if( pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0 ) |
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| 224 | { |
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| 225 | eSliceTypeBaseView = I_SLICE; |
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| 226 | } |
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| 227 | else |
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| 228 | { |
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| 229 | eSliceTypeBaseView = B_SLICE; |
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| 230 | } |
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| 231 | SliceType eSliceType = eSliceTypeBaseView; |
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| 232 | if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) |
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| 233 | { |
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| 234 | eSliceType = B_SLICE; |
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| 235 | } |
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| 236 | #else |
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[324] | 237 | SliceType eSliceType; |
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| 238 | |
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| 239 | eSliceType=B_SLICE; |
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| 240 | eSliceType = (pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; |
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| 241 | |
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| 242 | rpcSlice->setSliceType ( eSliceType ); |
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[368] | 243 | #endif |
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[324] | 244 | |
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| 245 | // ------------------------------------------------------------------------------------------------------------------ |
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| 246 | // Non-referenced frame marking |
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| 247 | // ------------------------------------------------------------------------------------------------------------------ |
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| 248 | |
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| 249 | if(pocLast == 0) |
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| 250 | { |
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| 251 | rpcSlice->setTemporalLayerNonReferenceFlag(false); |
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| 252 | } |
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| 253 | else |
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| 254 | { |
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| 255 | #if 0 // Check this! H_MV |
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| 256 | rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_refPic); |
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| 257 | #else |
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| 258 | rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry(iGOPid).m_refPic); |
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| 259 | #endif |
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| 260 | } |
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| 261 | rpcSlice->setReferenced(true); |
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| 262 | |
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| 263 | // ------------------------------------------------------------------------------------------------------------------ |
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| 264 | // QP setting |
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| 265 | // ------------------------------------------------------------------------------------------------------------------ |
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| 266 | |
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| 267 | dQP = m_pcCfg->getQP(); |
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| 268 | if(eSliceType!=I_SLICE) |
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| 269 | { |
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| 270 | if (!(( m_pcCfg->getMaxDeltaQP() == 0 ) && (dQP == -rpcSlice->getSPS()->getQpBDOffsetY() ) && (rpcSlice->getSPS()->getUseLossless()))) |
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| 271 | { |
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[368] | 272 | #if H_MV |
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| 273 | dQP += m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_QPOffset; |
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| 274 | #else |
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[324] | 275 | dQP += m_pcCfg->getGOPEntry(iGOPid).m_QPOffset; |
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[368] | 276 | #endif |
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[324] | 277 | } |
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| 278 | } |
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| 279 | |
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| 280 | // modify QP |
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| 281 | Int* pdQPs = m_pcCfg->getdQPs(); |
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| 282 | if ( pdQPs ) |
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| 283 | { |
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| 284 | dQP += pdQPs[ rpcSlice->getPOC() ]; |
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| 285 | } |
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| 286 | #if !RATE_CONTROL_LAMBDA_DOMAIN |
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| 287 | if ( m_pcCfg->getUseRateCtrl()) |
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| 288 | { |
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| 289 | dQP = m_pcRateCtrl->getFrameQP(rpcSlice->isReferenced(), rpcSlice->getPOC()); |
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| 290 | } |
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| 291 | #endif |
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| 292 | // ------------------------------------------------------------------------------------------------------------------ |
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| 293 | // Lambda computation |
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| 294 | // ------------------------------------------------------------------------------------------------------------------ |
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| 295 | |
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| 296 | Int iQP; |
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| 297 | Double dOrigQP = dQP; |
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| 298 | |
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| 299 | // pre-compute lambda and QP values for all possible QP candidates |
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| 300 | for ( Int iDQpIdx = 0; iDQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; iDQpIdx++ ) |
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| 301 | { |
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| 302 | // compute QP value |
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| 303 | dQP = dOrigQP + ((iDQpIdx+1)>>1)*(iDQpIdx%2 ? -1 : 1); |
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| 304 | |
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| 305 | // compute lambda value |
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| 306 | Int NumberBFrames = ( m_pcCfg->getGOPSize() - 1 ); |
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| 307 | Int SHIFT_QP = 12; |
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| 308 | Double dLambda_scale = 1.0 - Clip3( 0.0, 0.5, 0.05*(Double)NumberBFrames ); |
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| 309 | #if FULL_NBIT |
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| 310 | Int bitdepth_luma_qp_scale = 6 * (g_bitDepth - 8); |
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| 311 | #else |
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| 312 | Int bitdepth_luma_qp_scale = 0; |
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| 313 | #endif |
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| 314 | Double qp_temp = (Double) dQP + bitdepth_luma_qp_scale - SHIFT_QP; |
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| 315 | #if FULL_NBIT |
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| 316 | Double qp_temp_orig = (Double) dQP - SHIFT_QP; |
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| 317 | #endif |
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| 318 | // Case #1: I or P-slices (key-frame) |
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[368] | 319 | #if H_MV |
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| 320 | Double dQPFactor; |
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| 321 | if( eSliceType != I_SLICE ) |
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| 322 | { |
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| 323 | dQPFactor = m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_QPFactor; |
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| 324 | } |
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| 325 | else |
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| 326 | #else |
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[324] | 327 | Double dQPFactor = m_pcCfg->getGOPEntry(iGOPid).m_QPFactor; |
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| 328 | if ( eSliceType==I_SLICE ) |
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[368] | 329 | #endif |
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[324] | 330 | { |
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| 331 | dQPFactor=0.57*dLambda_scale; |
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| 332 | } |
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| 333 | dLambda = dQPFactor*pow( 2.0, qp_temp/3.0 ); |
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| 334 | |
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| 335 | if ( depth>0 ) |
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| 336 | { |
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| 337 | #if FULL_NBIT |
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| 338 | dLambda *= Clip3( 2.00, 4.00, (qp_temp_orig / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) |
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| 339 | #else |
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| 340 | dLambda *= Clip3( 2.00, 4.00, (qp_temp / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) |
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| 341 | #endif |
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| 342 | } |
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| 343 | |
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| 344 | // if hadamard is used in ME process |
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| 345 | if ( !m_pcCfg->getUseHADME() && rpcSlice->getSliceType( ) != I_SLICE ) |
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| 346 | { |
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| 347 | dLambda *= 0.95; |
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| 348 | } |
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| 349 | |
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| 350 | iQP = max( -pSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); |
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| 351 | |
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| 352 | m_pdRdPicLambda[iDQpIdx] = dLambda; |
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| 353 | m_pdRdPicQp [iDQpIdx] = dQP; |
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| 354 | m_piRdPicQp [iDQpIdx] = iQP; |
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| 355 | } |
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| 356 | |
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| 357 | // obtain dQP = 0 case |
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| 358 | dLambda = m_pdRdPicLambda[0]; |
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| 359 | dQP = m_pdRdPicQp [0]; |
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| 360 | iQP = m_piRdPicQp [0]; |
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| 361 | |
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| 362 | if( rpcSlice->getSliceType( ) != I_SLICE ) |
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| 363 | { |
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[368] | 364 | #if H_MV |
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| 365 | dLambda *= m_pcCfg->getLambdaModifier( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_temporalId ); |
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| 366 | #else |
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[324] | 367 | dLambda *= m_pcCfg->getLambdaModifier( m_pcCfg->getGOPEntry(iGOPid).m_temporalId ); |
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[368] | 368 | #endif |
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[324] | 369 | } |
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| 370 | |
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| 371 | // store lambda |
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| 372 | m_pcRdCost ->setLambda( dLambda ); |
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| 373 | #if WEIGHTED_CHROMA_DISTORTION |
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| 374 | // for RDO |
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| 375 | // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. |
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| 376 | Double weight = 1.0; |
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| 377 | Int qpc; |
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| 378 | Int chromaQPOffset; |
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| 379 | |
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| 380 | chromaQPOffset = rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb(); |
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| 381 | qpc = Clip3( 0, 57, iQP + chromaQPOffset); |
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| 382 | weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
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| 383 | m_pcRdCost->setCbDistortionWeight(weight); |
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| 384 | |
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| 385 | chromaQPOffset = rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr(); |
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| 386 | qpc = Clip3( 0, 57, iQP + chromaQPOffset); |
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| 387 | weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
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| 388 | m_pcRdCost->setCrDistortionWeight(weight); |
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| 389 | #endif |
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| 390 | |
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| 391 | #if RDOQ_CHROMA_LAMBDA |
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| 392 | // for RDOQ |
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| 393 | m_pcTrQuant->setLambda( dLambda, dLambda / weight ); |
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| 394 | #else |
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| 395 | m_pcTrQuant->setLambda( dLambda ); |
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| 396 | #endif |
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| 397 | |
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| 398 | #if SAO_CHROMA_LAMBDA |
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| 399 | // For SAO |
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| 400 | rpcSlice ->setLambda( dLambda, dLambda / weight ); |
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| 401 | #else |
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| 402 | rpcSlice ->setLambda( dLambda ); |
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| 403 | #endif |
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| 404 | |
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| 405 | #if HB_LAMBDA_FOR_LDC |
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| 406 | // restore original slice type |
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[368] | 407 | #if H_MV |
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| 408 | eSliceType = eSliceTypeBaseView; |
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| 409 | if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) |
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| 410 | { |
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| 411 | eSliceType = B_SLICE; |
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| 412 | } |
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| 413 | #else |
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[324] | 414 | eSliceType = (pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; |
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[368] | 415 | #endif |
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[365] | 416 | |
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[324] | 417 | rpcSlice->setSliceType ( eSliceType ); |
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| 418 | #endif |
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| 419 | |
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| 420 | if (m_pcCfg->getUseRecalculateQPAccordingToLambda()) |
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| 421 | { |
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| 422 | dQP = xGetQPValueAccordingToLambda( dLambda ); |
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| 423 | iQP = max( -pSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); |
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| 424 | } |
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| 425 | |
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| 426 | rpcSlice->setSliceQp ( iQP ); |
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| 427 | #if ADAPTIVE_QP_SELECTION |
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| 428 | rpcSlice->setSliceQpBase ( iQP ); |
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| 429 | #endif |
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| 430 | rpcSlice->setSliceQpDelta ( 0 ); |
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| 431 | rpcSlice->setSliceQpDeltaCb ( 0 ); |
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| 432 | rpcSlice->setSliceQpDeltaCr ( 0 ); |
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[368] | 433 | #if H_MV |
---|
| 434 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_numRefPicsActive); |
---|
| 435 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_numRefPicsActive); |
---|
| 436 | #else |
---|
[324] | 437 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); |
---|
| 438 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); |
---|
[368] | 439 | #endif |
---|
[324] | 440 | |
---|
[362] | 441 | #if L0386_DB_METRIC |
---|
| 442 | if ( m_pcCfg->getDeblockingFilterMetric() ) |
---|
| 443 | { |
---|
| 444 | rpcSlice->setDeblockingFilterOverrideFlag(true); |
---|
| 445 | rpcSlice->setDeblockingFilterDisable(false); |
---|
| 446 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); |
---|
| 447 | rpcSlice->setDeblockingFilterTcOffsetDiv2( 0 ); |
---|
| 448 | } else |
---|
| 449 | #endif |
---|
[324] | 450 | if (rpcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) |
---|
| 451 | { |
---|
| 452 | rpcSlice->getPPS()->setDeblockingFilterOverrideEnabledFlag( !m_pcCfg->getLoopFilterOffsetInPPS() ); |
---|
| 453 | rpcSlice->setDeblockingFilterOverrideFlag( !m_pcCfg->getLoopFilterOffsetInPPS() ); |
---|
| 454 | rpcSlice->getPPS()->setPicDisableDeblockingFilterFlag( m_pcCfg->getLoopFilterDisable() ); |
---|
| 455 | rpcSlice->setDeblockingFilterDisable( m_pcCfg->getLoopFilterDisable() ); |
---|
| 456 | if ( !rpcSlice->getDeblockingFilterDisable()) |
---|
| 457 | { |
---|
| 458 | if ( !m_pcCfg->getLoopFilterOffsetInPPS() && eSliceType!=I_SLICE) |
---|
| 459 | { |
---|
[368] | 460 | #if H_MV |
---|
| 461 | rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); |
---|
| 462 | rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); |
---|
| 463 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); |
---|
| 464 | rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); |
---|
| 465 | #else |
---|
[324] | 466 | rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); |
---|
| 467 | rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); |
---|
| 468 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); |
---|
| 469 | rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); |
---|
[368] | 470 | #endif |
---|
[324] | 471 | } |
---|
| 472 | else |
---|
| 473 | { |
---|
| 474 | rpcSlice->getPPS()->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); |
---|
| 475 | rpcSlice->getPPS()->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); |
---|
| 476 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); |
---|
| 477 | rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); |
---|
| 478 | } |
---|
| 479 | } |
---|
| 480 | } |
---|
| 481 | else |
---|
| 482 | { |
---|
| 483 | rpcSlice->setDeblockingFilterOverrideFlag( false ); |
---|
| 484 | rpcSlice->setDeblockingFilterDisable( false ); |
---|
| 485 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); |
---|
| 486 | rpcSlice->setDeblockingFilterTcOffsetDiv2( 0 ); |
---|
| 487 | } |
---|
| 488 | |
---|
| 489 | rpcSlice->setDepth ( depth ); |
---|
| 490 | |
---|
[368] | 491 | #if H_MV |
---|
| 492 | pcPic->setTLayer( m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_temporalId ); |
---|
| 493 | #else |
---|
[324] | 494 | pcPic->setTLayer( m_pcCfg->getGOPEntry(iGOPid).m_temporalId ); |
---|
[368] | 495 | #endif |
---|
[324] | 496 | if(eSliceType==I_SLICE) |
---|
| 497 | { |
---|
| 498 | pcPic->setTLayer(0); |
---|
| 499 | } |
---|
| 500 | rpcSlice->setTLayer( pcPic->getTLayer() ); |
---|
| 501 | |
---|
| 502 | assert( m_apcPicYuvPred ); |
---|
| 503 | assert( m_apcPicYuvResi ); |
---|
| 504 | |
---|
| 505 | pcPic->setPicYuvPred( m_apcPicYuvPred ); |
---|
| 506 | pcPic->setPicYuvResi( m_apcPicYuvResi ); |
---|
| 507 | rpcSlice->setSliceMode ( m_pcCfg->getSliceMode() ); |
---|
| 508 | rpcSlice->setSliceArgument ( m_pcCfg->getSliceArgument() ); |
---|
| 509 | rpcSlice->setSliceSegmentMode ( m_pcCfg->getSliceSegmentMode() ); |
---|
| 510 | rpcSlice->setSliceSegmentArgument ( m_pcCfg->getSliceSegmentArgument() ); |
---|
| 511 | rpcSlice->setMaxNumMergeCand ( m_pcCfg->getMaxNumMergeCand() ); |
---|
| 512 | xStoreWPparam( pPPS->getUseWP(), pPPS->getWPBiPred() ); |
---|
| 513 | } |
---|
| 514 | |
---|
| 515 | #if RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 516 | Void TEncSlice::resetQP( TComPic* pic, Int sliceQP, Double lambda ) |
---|
| 517 | { |
---|
| 518 | TComSlice* slice = pic->getSlice(0); |
---|
| 519 | |
---|
| 520 | // store lambda |
---|
| 521 | slice->setSliceQp( sliceQP ); |
---|
| 522 | #if L0033_RC_BUGFIX |
---|
| 523 | slice->setSliceQpBase ( sliceQP ); |
---|
| 524 | #endif |
---|
| 525 | m_pcRdCost ->setLambda( lambda ); |
---|
| 526 | #if WEIGHTED_CHROMA_DISTORTION |
---|
| 527 | // for RDO |
---|
| 528 | // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. |
---|
| 529 | Double weight; |
---|
| 530 | Int qpc; |
---|
| 531 | Int chromaQPOffset; |
---|
| 532 | |
---|
| 533 | chromaQPOffset = slice->getPPS()->getChromaCbQpOffset() + slice->getSliceQpDeltaCb(); |
---|
| 534 | qpc = Clip3( 0, 57, sliceQP + chromaQPOffset); |
---|
| 535 | weight = pow( 2.0, (sliceQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 536 | m_pcRdCost->setCbDistortionWeight(weight); |
---|
| 537 | |
---|
| 538 | chromaQPOffset = slice->getPPS()->getChromaCrQpOffset() + slice->getSliceQpDeltaCr(); |
---|
| 539 | qpc = Clip3( 0, 57, sliceQP + chromaQPOffset); |
---|
| 540 | weight = pow( 2.0, (sliceQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 541 | m_pcRdCost->setCrDistortionWeight(weight); |
---|
| 542 | #endif |
---|
| 543 | |
---|
| 544 | #if RDOQ_CHROMA_LAMBDA |
---|
| 545 | // for RDOQ |
---|
| 546 | m_pcTrQuant->setLambda( lambda, lambda / weight ); |
---|
| 547 | #else |
---|
| 548 | m_pcTrQuant->setLambda( lambda ); |
---|
| 549 | #endif |
---|
| 550 | |
---|
| 551 | #if SAO_CHROMA_LAMBDA |
---|
| 552 | // For SAO |
---|
| 553 | slice ->setLambda( lambda, lambda / weight ); |
---|
| 554 | #else |
---|
| 555 | slice ->setLambda( lambda ); |
---|
| 556 | #endif |
---|
| 557 | } |
---|
| 558 | #else |
---|
| 559 | /** |
---|
| 560 | - lambda re-computation based on rate control QP |
---|
| 561 | */ |
---|
| 562 | Void TEncSlice::xLamdaRecalculation(Int changeQP, Int idGOP, Int depth, SliceType eSliceType, TComSPS* pcSPS, TComSlice* pcSlice) |
---|
| 563 | { |
---|
| 564 | Int qp; |
---|
| 565 | Double recalQP= (Double)changeQP; |
---|
| 566 | Double origQP = (Double)recalQP; |
---|
| 567 | Double lambda; |
---|
| 568 | |
---|
| 569 | // pre-compute lambda and QP values for all possible QP candidates |
---|
| 570 | for ( Int deltqQpIdx = 0; deltqQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; deltqQpIdx++ ) |
---|
| 571 | { |
---|
| 572 | // compute QP value |
---|
| 573 | recalQP = origQP + ((deltqQpIdx+1)>>1)*(deltqQpIdx%2 ? -1 : 1); |
---|
| 574 | |
---|
| 575 | // compute lambda value |
---|
| 576 | Int NumberBFrames = ( m_pcCfg->getGOPSize() - 1 ); |
---|
| 577 | Int SHIFT_QP = 12; |
---|
| 578 | Double dLambda_scale = 1.0 - Clip3( 0.0, 0.5, 0.05*(Double)NumberBFrames ); |
---|
| 579 | #if FULL_NBIT |
---|
| 580 | Int bitdepth_luma_qp_scale = 6 * (g_bitDepth - 8); |
---|
| 581 | #else |
---|
| 582 | Int bitdepth_luma_qp_scale = 0; |
---|
| 583 | #endif |
---|
| 584 | Double qp_temp = (Double) recalQP + bitdepth_luma_qp_scale - SHIFT_QP; |
---|
| 585 | #if FULL_NBIT |
---|
| 586 | Double qp_temp_orig = (Double) recalQP - SHIFT_QP; |
---|
| 587 | #endif |
---|
| 588 | // Case #1: I or P-slices (key-frame) |
---|
| 589 | Double dQPFactor = m_pcCfg->getGOPEntry(idGOP).m_QPFactor; |
---|
| 590 | if ( eSliceType==I_SLICE ) |
---|
| 591 | { |
---|
| 592 | dQPFactor=0.57*dLambda_scale; |
---|
| 593 | } |
---|
| 594 | lambda = dQPFactor*pow( 2.0, qp_temp/3.0 ); |
---|
| 595 | |
---|
| 596 | if ( depth>0 ) |
---|
| 597 | { |
---|
| 598 | #if FULL_NBIT |
---|
| 599 | lambda *= Clip3( 2.00, 4.00, (qp_temp_orig / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) |
---|
| 600 | #else |
---|
| 601 | lambda *= Clip3( 2.00, 4.00, (qp_temp / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) |
---|
| 602 | #endif |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | // if hadamard is used in ME process |
---|
| 606 | if ( !m_pcCfg->getUseHADME() ) |
---|
| 607 | { |
---|
| 608 | lambda *= 0.95; |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | qp = max( -pcSPS->getQpBDOffsetY(), min( MAX_QP, (Int) floor( recalQP + 0.5 ) ) ); |
---|
| 612 | |
---|
| 613 | m_pdRdPicLambda[deltqQpIdx] = lambda; |
---|
| 614 | m_pdRdPicQp [deltqQpIdx] = recalQP; |
---|
| 615 | m_piRdPicQp [deltqQpIdx] = qp; |
---|
| 616 | } |
---|
| 617 | |
---|
| 618 | // obtain dQP = 0 case |
---|
| 619 | lambda = m_pdRdPicLambda[0]; |
---|
| 620 | recalQP = m_pdRdPicQp [0]; |
---|
| 621 | qp = m_piRdPicQp [0]; |
---|
| 622 | |
---|
| 623 | if( pcSlice->getSliceType( ) != I_SLICE ) |
---|
| 624 | { |
---|
| 625 | lambda *= m_pcCfg->getLambdaModifier( depth ); |
---|
| 626 | } |
---|
| 627 | |
---|
| 628 | // store lambda |
---|
| 629 | m_pcRdCost ->setLambda( lambda ); |
---|
| 630 | #if WEIGHTED_CHROMA_DISTORTION |
---|
| 631 | // for RDO |
---|
| 632 | // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. |
---|
| 633 | Double weight = 1.0; |
---|
| 634 | Int qpc; |
---|
| 635 | Int chromaQPOffset; |
---|
| 636 | |
---|
| 637 | chromaQPOffset = pcSlice->getPPS()->getChromaCbQpOffset() + pcSlice->getSliceQpDeltaCb(); |
---|
| 638 | qpc = Clip3( 0, 57, qp + chromaQPOffset); |
---|
| 639 | weight = pow( 2.0, (qp-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 640 | m_pcRdCost->setCbDistortionWeight(weight); |
---|
| 641 | |
---|
| 642 | chromaQPOffset = pcSlice->getPPS()->getChromaCrQpOffset() + pcSlice->getSliceQpDeltaCr(); |
---|
| 643 | qpc = Clip3( 0, 57, qp + chromaQPOffset); |
---|
| 644 | weight = pow( 2.0, (qp-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 645 | m_pcRdCost->setCrDistortionWeight(weight); |
---|
| 646 | #endif |
---|
| 647 | |
---|
| 648 | #if RDOQ_CHROMA_LAMBDA |
---|
| 649 | // for RDOQ |
---|
| 650 | m_pcTrQuant->setLambda( lambda, lambda / weight ); |
---|
| 651 | #else |
---|
| 652 | m_pcTrQuant->setLambda( lambda ); |
---|
| 653 | #endif |
---|
| 654 | |
---|
| 655 | #if SAO_CHROMA_LAMBDA |
---|
| 656 | // For SAO |
---|
| 657 | pcSlice ->setLambda( lambda, lambda / weight ); |
---|
| 658 | #else |
---|
| 659 | pcSlice ->setLambda( lambda ); |
---|
| 660 | #endif |
---|
| 661 | } |
---|
| 662 | #endif |
---|
| 663 | // ==================================================================================================================== |
---|
| 664 | // Public member functions |
---|
| 665 | // ==================================================================================================================== |
---|
| 666 | |
---|
| 667 | Void TEncSlice::setSearchRange( TComSlice* pcSlice ) |
---|
| 668 | { |
---|
| 669 | Int iCurrPOC = pcSlice->getPOC(); |
---|
| 670 | Int iRefPOC; |
---|
| 671 | Int iGOPSize = m_pcCfg->getGOPSize(); |
---|
| 672 | Int iOffset = (iGOPSize >> 1); |
---|
| 673 | Int iMaxSR = m_pcCfg->getSearchRange(); |
---|
| 674 | Int iNumPredDir = pcSlice->isInterP() ? 1 : 2; |
---|
| 675 | |
---|
| 676 | for (Int iDir = 0; iDir <= iNumPredDir; iDir++) |
---|
| 677 | { |
---|
| 678 | //RefPicList e = (RefPicList)iDir; |
---|
| 679 | RefPicList e = ( iDir ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
| 680 | for (Int iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(e); iRefIdx++) |
---|
| 681 | { |
---|
| 682 | iRefPOC = pcSlice->getRefPic(e, iRefIdx)->getPOC(); |
---|
| 683 | Int iNewSR = Clip3(8, iMaxSR, (iMaxSR*ADAPT_SR_SCALE*abs(iCurrPOC - iRefPOC)+iOffset)/iGOPSize); |
---|
| 684 | m_pcPredSearch->setAdaptiveSearchRange(iDir, iRefIdx, iNewSR); |
---|
| 685 | } |
---|
| 686 | } |
---|
| 687 | } |
---|
| 688 | |
---|
| 689 | /** |
---|
| 690 | - multi-loop slice encoding for different slice QP |
---|
| 691 | . |
---|
| 692 | \param rpcPic picture class |
---|
| 693 | */ |
---|
| 694 | Void TEncSlice::precompressSlice( TComPic*& rpcPic ) |
---|
| 695 | { |
---|
| 696 | // if deltaQP RD is not used, simply return |
---|
| 697 | if ( m_pcCfg->getDeltaQpRD() == 0 ) |
---|
| 698 | { |
---|
| 699 | return; |
---|
| 700 | } |
---|
| 701 | |
---|
| 702 | #if RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 703 | if ( m_pcCfg->getUseRateCtrl() ) |
---|
| 704 | { |
---|
| 705 | printf( "\nMultiple QP optimization is not allowed when rate control is enabled." ); |
---|
| 706 | assert(0); |
---|
| 707 | } |
---|
| 708 | #endif |
---|
| 709 | |
---|
| 710 | TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); |
---|
| 711 | Double dPicRdCostBest = MAX_DOUBLE; |
---|
| 712 | UInt uiQpIdxBest = 0; |
---|
| 713 | |
---|
| 714 | Double dFrameLambda; |
---|
| 715 | #if FULL_NBIT |
---|
| 716 | Int SHIFT_QP = 12 + 6 * (g_bitDepth - 8); |
---|
| 717 | #else |
---|
| 718 | Int SHIFT_QP = 12; |
---|
| 719 | #endif |
---|
| 720 | |
---|
| 721 | // set frame lambda |
---|
| 722 | if (m_pcCfg->getGOPSize() > 1) |
---|
| 723 | { |
---|
| 724 | dFrameLambda = 0.68 * pow (2, (m_piRdPicQp[0] - SHIFT_QP) / 3.0) * (pcSlice->isInterB()? 2 : 1); |
---|
| 725 | } |
---|
| 726 | else |
---|
| 727 | { |
---|
| 728 | dFrameLambda = 0.68 * pow (2, (m_piRdPicQp[0] - SHIFT_QP) / 3.0); |
---|
| 729 | } |
---|
| 730 | m_pcRdCost ->setFrameLambda(dFrameLambda); |
---|
| 731 | |
---|
| 732 | // for each QP candidate |
---|
| 733 | for ( UInt uiQpIdx = 0; uiQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; uiQpIdx++ ) |
---|
| 734 | { |
---|
| 735 | pcSlice ->setSliceQp ( m_piRdPicQp [uiQpIdx] ); |
---|
| 736 | #if ADAPTIVE_QP_SELECTION |
---|
| 737 | pcSlice ->setSliceQpBase ( m_piRdPicQp [uiQpIdx] ); |
---|
| 738 | #endif |
---|
| 739 | m_pcRdCost ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); |
---|
| 740 | #if WEIGHTED_CHROMA_DISTORTION |
---|
| 741 | // for RDO |
---|
| 742 | // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. |
---|
| 743 | Int iQP = m_piRdPicQp [uiQpIdx]; |
---|
| 744 | Double weight = 1.0; |
---|
| 745 | Int qpc; |
---|
| 746 | Int chromaQPOffset; |
---|
| 747 | |
---|
| 748 | chromaQPOffset = pcSlice->getPPS()->getChromaCbQpOffset() + pcSlice->getSliceQpDeltaCb(); |
---|
| 749 | qpc = Clip3( 0, 57, iQP + chromaQPOffset); |
---|
| 750 | weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 751 | m_pcRdCost->setCbDistortionWeight(weight); |
---|
| 752 | |
---|
| 753 | chromaQPOffset = pcSlice->getPPS()->getChromaCrQpOffset() + pcSlice->getSliceQpDeltaCr(); |
---|
| 754 | qpc = Clip3( 0, 57, iQP + chromaQPOffset); |
---|
| 755 | weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 756 | m_pcRdCost->setCrDistortionWeight(weight); |
---|
| 757 | #endif |
---|
| 758 | |
---|
| 759 | #if RDOQ_CHROMA_LAMBDA |
---|
| 760 | // for RDOQ |
---|
| 761 | m_pcTrQuant ->setLambda( m_pdRdPicLambda[uiQpIdx], m_pdRdPicLambda[uiQpIdx] / weight ); |
---|
| 762 | #else |
---|
| 763 | m_pcTrQuant ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); |
---|
| 764 | #endif |
---|
| 765 | #if SAO_CHROMA_LAMBDA |
---|
| 766 | // For SAO |
---|
| 767 | pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdx], m_pdRdPicLambda[uiQpIdx] / weight ); |
---|
| 768 | #else |
---|
| 769 | pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdx] ); |
---|
| 770 | #endif |
---|
| 771 | |
---|
| 772 | // try compress |
---|
| 773 | compressSlice ( rpcPic ); |
---|
| 774 | |
---|
| 775 | Double dPicRdCost; |
---|
| 776 | UInt64 uiPicDist = m_uiPicDist; |
---|
| 777 | UInt64 uiALFBits = 0; |
---|
| 778 | |
---|
| 779 | m_pcGOPEncoder->preLoopFilterPicAll( rpcPic, uiPicDist, uiALFBits ); |
---|
| 780 | |
---|
| 781 | // compute RD cost and choose the best |
---|
| 782 | dPicRdCost = m_pcRdCost->calcRdCost64( m_uiPicTotalBits + uiALFBits, uiPicDist, true, DF_SSE_FRAME); |
---|
| 783 | |
---|
| 784 | if ( dPicRdCost < dPicRdCostBest ) |
---|
| 785 | { |
---|
| 786 | uiQpIdxBest = uiQpIdx; |
---|
| 787 | dPicRdCostBest = dPicRdCost; |
---|
| 788 | } |
---|
| 789 | } |
---|
| 790 | |
---|
| 791 | // set best values |
---|
| 792 | pcSlice ->setSliceQp ( m_piRdPicQp [uiQpIdxBest] ); |
---|
| 793 | #if ADAPTIVE_QP_SELECTION |
---|
| 794 | pcSlice ->setSliceQpBase ( m_piRdPicQp [uiQpIdxBest] ); |
---|
| 795 | #endif |
---|
| 796 | m_pcRdCost ->setLambda ( m_pdRdPicLambda[uiQpIdxBest] ); |
---|
| 797 | #if WEIGHTED_CHROMA_DISTORTION |
---|
| 798 | // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. |
---|
| 799 | Int iQP = m_piRdPicQp [uiQpIdxBest]; |
---|
| 800 | Double weight = 1.0; |
---|
| 801 | Int qpc; |
---|
| 802 | Int chromaQPOffset; |
---|
| 803 | |
---|
| 804 | chromaQPOffset = pcSlice->getPPS()->getChromaCbQpOffset() + pcSlice->getSliceQpDeltaCb(); |
---|
| 805 | qpc = Clip3( 0, 57, iQP + chromaQPOffset); |
---|
| 806 | weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 807 | m_pcRdCost->setCbDistortionWeight(weight); |
---|
| 808 | |
---|
| 809 | chromaQPOffset = pcSlice->getPPS()->getChromaCrQpOffset() + pcSlice->getSliceQpDeltaCr(); |
---|
| 810 | qpc = Clip3( 0, 57, iQP + chromaQPOffset); |
---|
| 811 | weight = pow( 2.0, (iQP-g_aucChromaScale[qpc])/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
---|
| 812 | m_pcRdCost->setCrDistortionWeight(weight); |
---|
| 813 | #endif |
---|
| 814 | |
---|
| 815 | #if RDOQ_CHROMA_LAMBDA |
---|
| 816 | // for RDOQ |
---|
| 817 | m_pcTrQuant ->setLambda( m_pdRdPicLambda[uiQpIdxBest], m_pdRdPicLambda[uiQpIdxBest] / weight ); |
---|
| 818 | #else |
---|
| 819 | m_pcTrQuant ->setLambda ( m_pdRdPicLambda[uiQpIdxBest] ); |
---|
| 820 | #endif |
---|
| 821 | #if SAO_CHROMA_LAMBDA |
---|
| 822 | // For SAO |
---|
| 823 | pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdxBest], m_pdRdPicLambda[uiQpIdxBest] / weight ); |
---|
| 824 | #else |
---|
| 825 | pcSlice ->setLambda ( m_pdRdPicLambda[uiQpIdxBest] ); |
---|
| 826 | #endif |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | /** \param rpcPic picture class |
---|
| 830 | */ |
---|
| 831 | Void TEncSlice::compressSlice( TComPic*& rpcPic ) |
---|
| 832 | { |
---|
| 833 | UInt uiCUAddr; |
---|
| 834 | UInt uiStartCUAddr; |
---|
| 835 | UInt uiBoundingCUAddr; |
---|
| 836 | rpcPic->getSlice(getSliceIdx())->setSliceSegmentBits(0); |
---|
| 837 | TEncBinCABAC* pppcRDSbacCoder = NULL; |
---|
| 838 | TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); |
---|
| 839 | xDetermineStartAndBoundingCUAddr ( uiStartCUAddr, uiBoundingCUAddr, rpcPic, false ); |
---|
| 840 | |
---|
| 841 | // initialize cost values |
---|
| 842 | m_uiPicTotalBits = 0; |
---|
| 843 | m_dPicRdCost = 0; |
---|
| 844 | m_uiPicDist = 0; |
---|
| 845 | |
---|
| 846 | // set entropy coder |
---|
| 847 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 848 | { |
---|
| 849 | m_pcSbacCoder->init( m_pcBinCABAC ); |
---|
| 850 | m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder, pcSlice ); |
---|
| 851 | m_pcEntropyCoder->resetEntropy (); |
---|
| 852 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->load(m_pcSbacCoder); |
---|
| 853 | pppcRDSbacCoder = (TEncBinCABAC *) m_pppcRDSbacCoder[0][CI_CURR_BEST]->getEncBinIf(); |
---|
| 854 | pppcRDSbacCoder->setBinCountingEnableFlag( false ); |
---|
| 855 | pppcRDSbacCoder->setBinsCoded( 0 ); |
---|
| 856 | } |
---|
| 857 | else |
---|
| 858 | { |
---|
| 859 | m_pcEntropyCoder->setEntropyCoder ( m_pcCavlcCoder, pcSlice ); |
---|
| 860 | m_pcEntropyCoder->resetEntropy (); |
---|
| 861 | m_pcEntropyCoder->setBitstream ( m_pcBitCounter ); |
---|
| 862 | } |
---|
| 863 | |
---|
| 864 | //------------------------------------------------------------------------------ |
---|
| 865 | // Weighted Prediction parameters estimation. |
---|
| 866 | //------------------------------------------------------------------------------ |
---|
| 867 | // calculate AC/DC values for current picture |
---|
| 868 | if( pcSlice->getPPS()->getUseWP() || pcSlice->getPPS()->getWPBiPred() ) |
---|
| 869 | { |
---|
| 870 | xCalcACDCParamSlice(pcSlice); |
---|
| 871 | } |
---|
| 872 | |
---|
| 873 | Bool bWp_explicit = (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()); |
---|
| 874 | |
---|
| 875 | if ( bWp_explicit ) |
---|
| 876 | { |
---|
| 877 | //------------------------------------------------------------------------------ |
---|
| 878 | // Weighted Prediction implemented at Slice level. SliceMode=2 is not supported yet. |
---|
| 879 | //------------------------------------------------------------------------------ |
---|
| 880 | if ( pcSlice->getSliceMode()==2 || pcSlice->getSliceSegmentMode()==2 ) |
---|
| 881 | { |
---|
| 882 | printf("Weighted Prediction is not supported with slice mode determined by max number of bins.\n"); exit(0); |
---|
| 883 | } |
---|
| 884 | |
---|
| 885 | xEstimateWPParamSlice( pcSlice ); |
---|
| 886 | pcSlice->initWpScaling(); |
---|
| 887 | |
---|
| 888 | // check WP on/off |
---|
| 889 | xCheckWPEnable( pcSlice ); |
---|
| 890 | } |
---|
| 891 | |
---|
| 892 | #if ADAPTIVE_QP_SELECTION |
---|
| 893 | if( m_pcCfg->getUseAdaptQpSelect() ) |
---|
| 894 | { |
---|
| 895 | m_pcTrQuant->clearSliceARLCnt(); |
---|
| 896 | if(pcSlice->getSliceType()!=I_SLICE) |
---|
| 897 | { |
---|
| 898 | Int qpBase = pcSlice->getSliceQpBase(); |
---|
| 899 | pcSlice->setSliceQp(qpBase + m_pcTrQuant->getQpDelta(qpBase)); |
---|
| 900 | } |
---|
| 901 | } |
---|
| 902 | #endif |
---|
| 903 | TEncTop* pcEncTop = (TEncTop*) m_pcCfg; |
---|
| 904 | TEncSbac**** ppppcRDSbacCoders = pcEncTop->getRDSbacCoders(); |
---|
| 905 | TComBitCounter* pcBitCounters = pcEncTop->getBitCounters(); |
---|
| 906 | Int iNumSubstreams = 1; |
---|
| 907 | UInt uiTilesAcross = 0; |
---|
| 908 | |
---|
| 909 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 910 | { |
---|
| 911 | iNumSubstreams = pcSlice->getPPS()->getNumSubstreams(); |
---|
| 912 | uiTilesAcross = rpcPic->getPicSym()->getNumColumnsMinus1()+1; |
---|
| 913 | delete[] m_pcBufferSbacCoders; |
---|
| 914 | delete[] m_pcBufferBinCoderCABACs; |
---|
| 915 | m_pcBufferSbacCoders = new TEncSbac [uiTilesAcross]; |
---|
| 916 | m_pcBufferBinCoderCABACs = new TEncBinCABAC[uiTilesAcross]; |
---|
| 917 | for (Int ui = 0; ui < uiTilesAcross; ui++) |
---|
| 918 | { |
---|
| 919 | m_pcBufferSbacCoders[ui].init( &m_pcBufferBinCoderCABACs[ui] ); |
---|
| 920 | } |
---|
| 921 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
---|
| 922 | { |
---|
| 923 | m_pcBufferSbacCoders[ui].load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); //init. state |
---|
| 924 | } |
---|
| 925 | |
---|
| 926 | for ( UInt ui = 0 ; ui < iNumSubstreams ; ui++ ) //init all sbac coders for RD optimization |
---|
| 927 | { |
---|
| 928 | ppppcRDSbacCoders[ui][0][CI_CURR_BEST]->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); |
---|
| 929 | } |
---|
| 930 | } |
---|
| 931 | //if( m_pcCfg->getUseSBACRD() ) |
---|
| 932 | { |
---|
| 933 | delete[] m_pcBufferLowLatSbacCoders; |
---|
| 934 | delete[] m_pcBufferLowLatBinCoderCABACs; |
---|
| 935 | m_pcBufferLowLatSbacCoders = new TEncSbac [uiTilesAcross]; |
---|
| 936 | m_pcBufferLowLatBinCoderCABACs = new TEncBinCABAC[uiTilesAcross]; |
---|
| 937 | for (Int ui = 0; ui < uiTilesAcross; ui++) |
---|
| 938 | { |
---|
| 939 | m_pcBufferLowLatSbacCoders[ui].init( &m_pcBufferLowLatBinCoderCABACs[ui] ); |
---|
| 940 | } |
---|
| 941 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
---|
| 942 | m_pcBufferLowLatSbacCoders[ui].load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); //init. state |
---|
| 943 | } |
---|
| 944 | UInt uiWidthInLCUs = rpcPic->getPicSym()->getFrameWidthInCU(); |
---|
| 945 | //UInt uiHeightInLCUs = rpcPic->getPicSym()->getFrameHeightInCU(); |
---|
| 946 | UInt uiCol=0, uiLin=0, uiSubStrm=0; |
---|
| 947 | UInt uiTileCol = 0; |
---|
| 948 | UInt uiTileStartLCU = 0; |
---|
| 949 | UInt uiTileLCUX = 0; |
---|
| 950 | Bool depSliceSegmentsEnabled = pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag(); |
---|
| 951 | uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); |
---|
| 952 | uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); |
---|
| 953 | if( depSliceSegmentsEnabled ) |
---|
| 954 | { |
---|
| 955 | if((pcSlice->getSliceSegmentCurStartCUAddr()!= pcSlice->getSliceCurStartCUAddr())&&(uiCUAddr != uiTileStartLCU)) |
---|
| 956 | { |
---|
| 957 | if( m_pcCfg->getWaveFrontsynchro() ) |
---|
| 958 | { |
---|
| 959 | uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); |
---|
| 960 | m_pcBufferSbacCoders[uiTileCol].loadContexts( CTXMem[1] ); |
---|
| 961 | Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); |
---|
| 962 | uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); |
---|
| 963 | uiLin = uiCUAddr / uiWidthInLCUs; |
---|
| 964 | uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(rpcPic->getPicSym()->getCUOrderMap(uiCUAddr))*iNumSubstreamsPerTile |
---|
| 965 | + uiLin%iNumSubstreamsPerTile; |
---|
| 966 | if ( (uiCUAddr%uiWidthInLCUs+1) >= uiWidthInLCUs ) |
---|
| 967 | { |
---|
| 968 | uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; |
---|
| 969 | uiCol = uiCUAddr % uiWidthInLCUs; |
---|
| 970 | if(uiCol==uiTileStartLCU) |
---|
| 971 | { |
---|
| 972 | CTXMem[0]->loadContexts(m_pcSbacCoder); |
---|
| 973 | } |
---|
| 974 | } |
---|
| 975 | } |
---|
| 976 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->loadContexts( CTXMem[0] ); |
---|
| 977 | ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->loadContexts( CTXMem[0] ); |
---|
| 978 | } |
---|
| 979 | else |
---|
| 980 | { |
---|
| 981 | if(m_pcCfg->getWaveFrontsynchro()) |
---|
| 982 | { |
---|
| 983 | CTXMem[1]->loadContexts(m_pcSbacCoder); |
---|
| 984 | } |
---|
| 985 | CTXMem[0]->loadContexts(m_pcSbacCoder); |
---|
| 986 | } |
---|
| 987 | } |
---|
| 988 | // for every CU in slice |
---|
| 989 | UInt uiEncCUOrder; |
---|
| 990 | for( uiEncCUOrder = uiStartCUAddr/rpcPic->getNumPartInCU(); |
---|
| 991 | uiEncCUOrder < (uiBoundingCUAddr+(rpcPic->getNumPartInCU()-1))/rpcPic->getNumPartInCU(); |
---|
| 992 | uiCUAddr = rpcPic->getPicSym()->getCUOrderMap(++uiEncCUOrder) ) |
---|
| 993 | { |
---|
| 994 | // initialize CU encoder |
---|
| 995 | TComDataCU*& pcCU = rpcPic->getCU( uiCUAddr ); |
---|
| 996 | pcCU->initCU( rpcPic, uiCUAddr ); |
---|
| 997 | |
---|
| 998 | #if !RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 999 | if(m_pcCfg->getUseRateCtrl()) |
---|
| 1000 | { |
---|
| 1001 | if(m_pcRateCtrl->calculateUnitQP()) |
---|
| 1002 | { |
---|
| 1003 | xLamdaRecalculation(m_pcRateCtrl->getUnitQP(), m_pcRateCtrl->getGOPId(), pcSlice->getDepth(), pcSlice->getSliceType(), pcSlice->getSPS(), pcSlice ); |
---|
| 1004 | } |
---|
| 1005 | } |
---|
| 1006 | #endif |
---|
| 1007 | // inherit from TR if necessary, select substream to use. |
---|
| 1008 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 1009 | { |
---|
| 1010 | uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in? |
---|
| 1011 | uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); |
---|
| 1012 | uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; |
---|
| 1013 | //UInt uiSliceStartLCU = pcSlice->getSliceCurStartCUAddr(); |
---|
| 1014 | uiCol = uiCUAddr % uiWidthInLCUs; |
---|
| 1015 | uiLin = uiCUAddr / uiWidthInLCUs; |
---|
| 1016 | if (pcSlice->getPPS()->getNumSubstreams() > 1) |
---|
| 1017 | { |
---|
| 1018 | // independent tiles => substreams are "per tile". iNumSubstreams has already been multiplied. |
---|
| 1019 | Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); |
---|
| 1020 | uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)*iNumSubstreamsPerTile |
---|
| 1021 | + uiLin%iNumSubstreamsPerTile; |
---|
| 1022 | } |
---|
| 1023 | else |
---|
| 1024 | { |
---|
| 1025 | // dependent tiles => substreams are "per frame". |
---|
| 1026 | uiSubStrm = uiLin % iNumSubstreams; |
---|
| 1027 | } |
---|
| 1028 | if ( ((pcSlice->getPPS()->getNumSubstreams() > 1) || depSliceSegmentsEnabled ) && (uiCol == uiTileLCUX) && m_pcCfg->getWaveFrontsynchro()) |
---|
| 1029 | { |
---|
| 1030 | // We'll sync if the TR is available. |
---|
| 1031 | TComDataCU *pcCUUp = pcCU->getCUAbove(); |
---|
| 1032 | UInt uiWidthInCU = rpcPic->getFrameWidthInCU(); |
---|
| 1033 | UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1); |
---|
| 1034 | TComDataCU *pcCUTR = NULL; |
---|
| 1035 | if ( pcCUUp && ((uiCUAddr%uiWidthInCU+1) < uiWidthInCU) ) |
---|
| 1036 | { |
---|
| 1037 | pcCUTR = rpcPic->getCU( uiCUAddr - uiWidthInCU + 1 ); |
---|
| 1038 | } |
---|
| 1039 | if ( ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || |
---|
| 1040 | (pcCUTR->getSCUAddr()+uiMaxParts-1 < pcSlice->getSliceCurStartCUAddr()) || |
---|
| 1041 | ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))) |
---|
| 1042 | ) |
---|
| 1043 | ) |
---|
| 1044 | { |
---|
| 1045 | // TR not available. |
---|
| 1046 | } |
---|
| 1047 | else |
---|
| 1048 | { |
---|
| 1049 | // TR is available, we use it. |
---|
| 1050 | ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] ); |
---|
| 1051 | } |
---|
| 1052 | } |
---|
| 1053 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST] ); //this load is used to simplify the code |
---|
| 1054 | } |
---|
| 1055 | |
---|
| 1056 | // reset the entropy coder |
---|
| 1057 | if( uiCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr() && // must be first CU of tile |
---|
| 1058 | uiCUAddr!=0 && // cannot be first CU of picture |
---|
| 1059 | uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceSegmentCurStartCUAddr())/rpcPic->getNumPartInCU() && |
---|
| 1060 | uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU()) // cannot be first CU of slice |
---|
| 1061 | { |
---|
| 1062 | SliceType sliceType = pcSlice->getSliceType(); |
---|
| 1063 | if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag() && pcSlice->getPPS()->getEncCABACTableIdx()!=I_SLICE) |
---|
| 1064 | { |
---|
| 1065 | sliceType = (SliceType) pcSlice->getPPS()->getEncCABACTableIdx(); |
---|
| 1066 | } |
---|
| 1067 | m_pcEntropyCoder->updateContextTables ( sliceType, pcSlice->getSliceQp(), false ); |
---|
| 1068 | m_pcEntropyCoder->setEntropyCoder ( m_pppcRDSbacCoder[0][CI_CURR_BEST], pcSlice ); |
---|
| 1069 | m_pcEntropyCoder->updateContextTables ( sliceType, pcSlice->getSliceQp() ); |
---|
| 1070 | m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder, pcSlice ); |
---|
| 1071 | } |
---|
| 1072 | // if RD based on SBAC is used |
---|
| 1073 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 1074 | { |
---|
| 1075 | // set go-on entropy coder |
---|
| 1076 | m_pcEntropyCoder->setEntropyCoder ( m_pcRDGoOnSbacCoder, pcSlice ); |
---|
| 1077 | m_pcEntropyCoder->setBitstream( &pcBitCounters[uiSubStrm] ); |
---|
| 1078 | |
---|
| 1079 | ((TEncBinCABAC*)m_pcRDGoOnSbacCoder->getEncBinIf())->setBinCountingEnableFlag(true); |
---|
| 1080 | |
---|
| 1081 | #if RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 1082 | Double oldLambda = m_pcRdCost->getLambda(); |
---|
| 1083 | if ( m_pcCfg->getUseRateCtrl() ) |
---|
| 1084 | { |
---|
| 1085 | Int estQP = pcSlice->getSliceQp(); |
---|
| 1086 | Double estLambda = -1.0; |
---|
| 1087 | Double bpp = -1.0; |
---|
| 1088 | |
---|
| 1089 | if ( rpcPic->getSlice( 0 )->getSliceType() == I_SLICE || !m_pcCfg->getLCULevelRC() ) |
---|
| 1090 | { |
---|
| 1091 | estQP = pcSlice->getSliceQp(); |
---|
| 1092 | } |
---|
| 1093 | else |
---|
| 1094 | { |
---|
| 1095 | bpp = m_pcRateCtrl->getRCPic()->getLCUTargetBpp(); |
---|
| 1096 | estLambda = m_pcRateCtrl->getRCPic()->getLCUEstLambda( bpp ); |
---|
| 1097 | estQP = m_pcRateCtrl->getRCPic()->getLCUEstQP ( estLambda, pcSlice->getSliceQp() ); |
---|
| 1098 | estQP = Clip3( -pcSlice->getSPS()->getQpBDOffsetY(), MAX_QP, estQP ); |
---|
| 1099 | |
---|
| 1100 | m_pcRdCost->setLambda(estLambda); |
---|
| 1101 | } |
---|
| 1102 | |
---|
| 1103 | m_pcRateCtrl->setRCQP( estQP ); |
---|
| 1104 | #if L0033_RC_BUGFIX |
---|
| 1105 | pcCU->getSlice()->setSliceQpBase( estQP ); |
---|
| 1106 | #endif |
---|
| 1107 | } |
---|
| 1108 | #endif |
---|
| 1109 | |
---|
| 1110 | // run CU encoder |
---|
| 1111 | m_pcCuEncoder->compressCU( pcCU ); |
---|
| 1112 | |
---|
| 1113 | #if RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 1114 | if ( m_pcCfg->getUseRateCtrl() ) |
---|
| 1115 | { |
---|
| 1116 | UInt SAD = m_pcCuEncoder->getLCUPredictionSAD(); |
---|
| 1117 | Int height = min( pcSlice->getSPS()->getMaxCUHeight(),pcSlice->getSPS()->getPicHeightInLumaSamples() - uiCUAddr / rpcPic->getFrameWidthInCU() * pcSlice->getSPS()->getMaxCUHeight() ); |
---|
| 1118 | Int width = min( pcSlice->getSPS()->getMaxCUWidth(),pcSlice->getSPS()->getPicWidthInLumaSamples() - uiCUAddr % rpcPic->getFrameWidthInCU() * pcSlice->getSPS()->getMaxCUWidth() ); |
---|
| 1119 | Double MAD = (Double)SAD / (Double)(height * width); |
---|
| 1120 | MAD = MAD * MAD; |
---|
| 1121 | ( m_pcRateCtrl->getRCPic()->getLCU(uiCUAddr) ).m_MAD = MAD; |
---|
| 1122 | |
---|
| 1123 | Int actualQP = g_RCInvalidQPValue; |
---|
| 1124 | Double actualLambda = m_pcRdCost->getLambda(); |
---|
| 1125 | Int actualBits = pcCU->getTotalBits(); |
---|
| 1126 | Int numberOfEffectivePixels = 0; |
---|
| 1127 | for ( Int idx = 0; idx < rpcPic->getNumPartInCU(); idx++ ) |
---|
| 1128 | { |
---|
| 1129 | if ( pcCU->getPredictionMode( idx ) != MODE_NONE && ( !pcCU->isSkipped( idx ) ) ) |
---|
| 1130 | { |
---|
| 1131 | numberOfEffectivePixels = numberOfEffectivePixels + 16; |
---|
| 1132 | break; |
---|
| 1133 | } |
---|
| 1134 | } |
---|
| 1135 | |
---|
| 1136 | if ( numberOfEffectivePixels == 0 ) |
---|
| 1137 | { |
---|
| 1138 | actualQP = g_RCInvalidQPValue; |
---|
| 1139 | } |
---|
| 1140 | else |
---|
| 1141 | { |
---|
| 1142 | actualQP = pcCU->getQP( 0 ); |
---|
| 1143 | } |
---|
| 1144 | m_pcRdCost->setLambda(oldLambda); |
---|
| 1145 | |
---|
| 1146 | m_pcRateCtrl->getRCPic()->updateAfterLCU( m_pcRateCtrl->getRCPic()->getLCUCoded(), actualBits, actualQP, actualLambda, m_pcCfg->getLCULevelRC() ); |
---|
| 1147 | } |
---|
| 1148 | #endif |
---|
| 1149 | |
---|
| 1150 | // restore entropy coder to an initial stage |
---|
| 1151 | m_pcEntropyCoder->setEntropyCoder ( m_pppcRDSbacCoder[0][CI_CURR_BEST], pcSlice ); |
---|
| 1152 | m_pcEntropyCoder->setBitstream( &pcBitCounters[uiSubStrm] ); |
---|
| 1153 | m_pcCuEncoder->setBitCounter( &pcBitCounters[uiSubStrm] ); |
---|
| 1154 | m_pcBitCounter = &pcBitCounters[uiSubStrm]; |
---|
| 1155 | pppcRDSbacCoder->setBinCountingEnableFlag( true ); |
---|
| 1156 | m_pcBitCounter->resetBits(); |
---|
| 1157 | pppcRDSbacCoder->setBinsCoded( 0 ); |
---|
| 1158 | m_pcCuEncoder->encodeCU( pcCU ); |
---|
| 1159 | |
---|
| 1160 | pppcRDSbacCoder->setBinCountingEnableFlag( false ); |
---|
| 1161 | if (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_BYTES && ( ( pcSlice->getSliceBits() + m_pcEntropyCoder->getNumberOfWrittenBits() ) ) > m_pcCfg->getSliceArgument()<<3) |
---|
| 1162 | { |
---|
| 1163 | pcSlice->setNextSlice( true ); |
---|
| 1164 | break; |
---|
| 1165 | } |
---|
| 1166 | if (m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_BYTES && pcSlice->getSliceSegmentBits()+m_pcEntropyCoder->getNumberOfWrittenBits() > (m_pcCfg->getSliceSegmentArgument() << 3) &&pcSlice->getSliceCurEndCUAddr()!=pcSlice->getSliceSegmentCurEndCUAddr()) |
---|
| 1167 | { |
---|
| 1168 | pcSlice->setNextSliceSegment( true ); |
---|
| 1169 | break; |
---|
| 1170 | } |
---|
| 1171 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 1172 | { |
---|
| 1173 | ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_CURR_BEST] ); |
---|
| 1174 | |
---|
| 1175 | //Store probabilties of second LCU in line into buffer |
---|
| 1176 | if ( ( uiCol == uiTileLCUX+1) && (depSliceSegmentsEnabled || (pcSlice->getPPS()->getNumSubstreams() > 1)) && m_pcCfg->getWaveFrontsynchro()) |
---|
| 1177 | { |
---|
| 1178 | m_pcBufferSbacCoders[uiTileCol].loadContexts(ppppcRDSbacCoders[uiSubStrm][0][CI_CURR_BEST]); |
---|
| 1179 | } |
---|
| 1180 | } |
---|
| 1181 | } |
---|
| 1182 | // other case: encodeCU is not called |
---|
| 1183 | else |
---|
| 1184 | { |
---|
| 1185 | m_pcCuEncoder->compressCU( pcCU ); |
---|
| 1186 | m_pcCuEncoder->encodeCU( pcCU ); |
---|
| 1187 | if (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_BYTES && ( ( pcSlice->getSliceBits()+ m_pcEntropyCoder->getNumberOfWrittenBits() ) ) > m_pcCfg->getSliceArgument()<<3) |
---|
| 1188 | { |
---|
| 1189 | pcSlice->setNextSlice( true ); |
---|
| 1190 | break; |
---|
| 1191 | } |
---|
| 1192 | if (m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_BYTES && pcSlice->getSliceSegmentBits()+ m_pcEntropyCoder->getNumberOfWrittenBits()> m_pcCfg->getSliceSegmentArgument()<<3 &&pcSlice->getSliceCurEndCUAddr()!=pcSlice->getSliceSegmentCurEndCUAddr()) |
---|
| 1193 | { |
---|
| 1194 | pcSlice->setNextSliceSegment( true ); |
---|
| 1195 | break; |
---|
| 1196 | } |
---|
| 1197 | } |
---|
| 1198 | |
---|
| 1199 | m_uiPicTotalBits += pcCU->getTotalBits(); |
---|
| 1200 | m_dPicRdCost += pcCU->getTotalCost(); |
---|
| 1201 | m_uiPicDist += pcCU->getTotalDistortion(); |
---|
| 1202 | #if !RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 1203 | if(m_pcCfg->getUseRateCtrl()) |
---|
| 1204 | { |
---|
| 1205 | m_pcRateCtrl->updateLCUData(pcCU, pcCU->getTotalBits(), pcCU->getQP(0)); |
---|
| 1206 | m_pcRateCtrl->updataRCUnitStatus(); |
---|
| 1207 | } |
---|
| 1208 | #endif |
---|
| 1209 | } |
---|
| 1210 | if ((pcSlice->getPPS()->getNumSubstreams() > 1) && !depSliceSegmentsEnabled) |
---|
| 1211 | { |
---|
| 1212 | pcSlice->setNextSlice( true ); |
---|
| 1213 | } |
---|
| 1214 | if( depSliceSegmentsEnabled ) |
---|
| 1215 | { |
---|
| 1216 | if (m_pcCfg->getWaveFrontsynchro()) |
---|
| 1217 | { |
---|
| 1218 | CTXMem[1]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] );//ctx 2.LCU |
---|
| 1219 | } |
---|
| 1220 | CTXMem[0]->loadContexts( m_pppcRDSbacCoder[0][CI_CURR_BEST] );//ctx end of dep.slice |
---|
| 1221 | } |
---|
| 1222 | xRestoreWPparam( pcSlice ); |
---|
| 1223 | #if !RATE_CONTROL_LAMBDA_DOMAIN |
---|
| 1224 | if(m_pcCfg->getUseRateCtrl()) |
---|
| 1225 | { |
---|
| 1226 | m_pcRateCtrl->updateFrameData(m_uiPicTotalBits); |
---|
| 1227 | } |
---|
| 1228 | #endif |
---|
| 1229 | } |
---|
| 1230 | |
---|
| 1231 | /** |
---|
| 1232 | \param rpcPic picture class |
---|
| 1233 | \retval rpcBitstream bitstream class |
---|
| 1234 | */ |
---|
[362] | 1235 | Void TEncSlice::encodeSlice ( TComPic*& rpcPic, TComOutputBitstream* pcSubstreams ) |
---|
[324] | 1236 | { |
---|
| 1237 | UInt uiCUAddr; |
---|
| 1238 | UInt uiStartCUAddr; |
---|
| 1239 | UInt uiBoundingCUAddr; |
---|
| 1240 | TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); |
---|
| 1241 | |
---|
| 1242 | uiStartCUAddr=pcSlice->getSliceSegmentCurStartCUAddr(); |
---|
| 1243 | uiBoundingCUAddr=pcSlice->getSliceSegmentCurEndCUAddr(); |
---|
| 1244 | // choose entropy coder |
---|
| 1245 | { |
---|
| 1246 | m_pcSbacCoder->init( (TEncBinIf*)m_pcBinCABAC ); |
---|
| 1247 | m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder, pcSlice ); |
---|
| 1248 | } |
---|
| 1249 | |
---|
| 1250 | m_pcCuEncoder->setBitCounter( NULL ); |
---|
| 1251 | m_pcBitCounter = NULL; |
---|
| 1252 | // Appropriate substream bitstream is switched later. |
---|
| 1253 | // for every CU |
---|
| 1254 | #if ENC_DEC_TRACE |
---|
| 1255 | g_bJustDoIt = g_bEncDecTraceEnable; |
---|
| 1256 | #endif |
---|
| 1257 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
| 1258 | DTRACE_CABAC_T( "\tPOC: " ); |
---|
| 1259 | DTRACE_CABAC_V( rpcPic->getPOC() ); |
---|
| 1260 | DTRACE_CABAC_T( "\n" ); |
---|
| 1261 | #if ENC_DEC_TRACE |
---|
| 1262 | g_bJustDoIt = g_bEncDecTraceDisable; |
---|
| 1263 | #endif |
---|
| 1264 | |
---|
| 1265 | TEncTop* pcEncTop = (TEncTop*) m_pcCfg; |
---|
| 1266 | TEncSbac* pcSbacCoders = pcEncTop->getSbacCoders(); //coder for each substream |
---|
| 1267 | Int iNumSubstreams = pcSlice->getPPS()->getNumSubstreams(); |
---|
| 1268 | UInt uiBitsOriginallyInSubstreams = 0; |
---|
| 1269 | { |
---|
| 1270 | UInt uiTilesAcross = rpcPic->getPicSym()->getNumColumnsMinus1()+1; |
---|
| 1271 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
---|
| 1272 | { |
---|
| 1273 | m_pcBufferSbacCoders[ui].load(m_pcSbacCoder); //init. state |
---|
| 1274 | } |
---|
| 1275 | |
---|
| 1276 | for (Int iSubstrmIdx=0; iSubstrmIdx < iNumSubstreams; iSubstrmIdx++) |
---|
| 1277 | { |
---|
| 1278 | uiBitsOriginallyInSubstreams += pcSubstreams[iSubstrmIdx].getNumberOfWrittenBits(); |
---|
| 1279 | } |
---|
| 1280 | |
---|
| 1281 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
---|
| 1282 | { |
---|
| 1283 | m_pcBufferLowLatSbacCoders[ui].load(m_pcSbacCoder); //init. state |
---|
| 1284 | } |
---|
| 1285 | } |
---|
| 1286 | |
---|
| 1287 | UInt uiWidthInLCUs = rpcPic->getPicSym()->getFrameWidthInCU(); |
---|
| 1288 | UInt uiCol=0, uiLin=0, uiSubStrm=0; |
---|
| 1289 | UInt uiTileCol = 0; |
---|
| 1290 | UInt uiTileStartLCU = 0; |
---|
| 1291 | UInt uiTileLCUX = 0; |
---|
| 1292 | Bool depSliceSegmentsEnabled = pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag(); |
---|
| 1293 | uiCUAddr = rpcPic->getPicSym()->getCUOrderMap( uiStartCUAddr /rpcPic->getNumPartInCU()); /* for tiles, uiStartCUAddr is NOT the real raster scan address, it is actually |
---|
| 1294 | an encoding order index, so we need to convert the index (uiStartCUAddr) |
---|
| 1295 | into the real raster scan address (uiCUAddr) via the CUOrderMap */ |
---|
| 1296 | uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); |
---|
| 1297 | if( depSliceSegmentsEnabled ) |
---|
| 1298 | { |
---|
| 1299 | if( pcSlice->isNextSlice()|| |
---|
| 1300 | uiCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr()) |
---|
| 1301 | { |
---|
| 1302 | if(m_pcCfg->getWaveFrontsynchro()) |
---|
| 1303 | { |
---|
| 1304 | CTXMem[1]->loadContexts(m_pcSbacCoder); |
---|
| 1305 | } |
---|
| 1306 | CTXMem[0]->loadContexts(m_pcSbacCoder); |
---|
| 1307 | } |
---|
| 1308 | else |
---|
| 1309 | { |
---|
| 1310 | if(m_pcCfg->getWaveFrontsynchro()) |
---|
| 1311 | { |
---|
| 1312 | uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); |
---|
| 1313 | m_pcBufferSbacCoders[uiTileCol].loadContexts( CTXMem[1] ); |
---|
| 1314 | Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); |
---|
| 1315 | uiLin = uiCUAddr / uiWidthInLCUs; |
---|
| 1316 | uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(rpcPic->getPicSym()->getCUOrderMap( uiCUAddr))*iNumSubstreamsPerTile |
---|
| 1317 | + uiLin%iNumSubstreamsPerTile; |
---|
| 1318 | if ( (uiCUAddr%uiWidthInLCUs+1) >= uiWidthInLCUs ) |
---|
| 1319 | { |
---|
| 1320 | uiCol = uiCUAddr % uiWidthInLCUs; |
---|
| 1321 | uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; |
---|
| 1322 | if(uiCol==uiTileLCUX) |
---|
| 1323 | { |
---|
| 1324 | CTXMem[0]->loadContexts(m_pcSbacCoder); |
---|
| 1325 | } |
---|
| 1326 | } |
---|
| 1327 | } |
---|
| 1328 | pcSbacCoders[uiSubStrm].loadContexts( CTXMem[0] ); |
---|
| 1329 | } |
---|
| 1330 | } |
---|
| 1331 | |
---|
| 1332 | UInt uiEncCUOrder; |
---|
| 1333 | for( uiEncCUOrder = uiStartCUAddr /rpcPic->getNumPartInCU(); |
---|
| 1334 | uiEncCUOrder < (uiBoundingCUAddr+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU(); |
---|
| 1335 | uiCUAddr = rpcPic->getPicSym()->getCUOrderMap(++uiEncCUOrder) ) |
---|
| 1336 | { |
---|
| 1337 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 1338 | { |
---|
| 1339 | uiTileCol = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in? |
---|
| 1340 | uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr(); |
---|
| 1341 | uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; |
---|
| 1342 | //UInt uiSliceStartLCU = pcSlice->getSliceCurStartCUAddr(); |
---|
| 1343 | uiCol = uiCUAddr % uiWidthInLCUs; |
---|
| 1344 | uiLin = uiCUAddr / uiWidthInLCUs; |
---|
| 1345 | if (pcSlice->getPPS()->getNumSubstreams() > 1) |
---|
| 1346 | { |
---|
| 1347 | // independent tiles => substreams are "per tile". iNumSubstreams has already been multiplied. |
---|
| 1348 | Int iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); |
---|
| 1349 | uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)*iNumSubstreamsPerTile |
---|
| 1350 | + uiLin%iNumSubstreamsPerTile; |
---|
| 1351 | } |
---|
| 1352 | else |
---|
| 1353 | { |
---|
| 1354 | // dependent tiles => substreams are "per frame". |
---|
| 1355 | uiSubStrm = uiLin % iNumSubstreams; |
---|
| 1356 | } |
---|
| 1357 | |
---|
| 1358 | m_pcEntropyCoder->setBitstream( &pcSubstreams[uiSubStrm] ); |
---|
| 1359 | // Synchronize cabac probabilities with upper-right LCU if it's available and we're at the start of a line. |
---|
| 1360 | if (((pcSlice->getPPS()->getNumSubstreams() > 1) || depSliceSegmentsEnabled) && (uiCol == uiTileLCUX) && m_pcCfg->getWaveFrontsynchro()) |
---|
| 1361 | { |
---|
| 1362 | // We'll sync if the TR is available. |
---|
| 1363 | TComDataCU *pcCUUp = rpcPic->getCU( uiCUAddr )->getCUAbove(); |
---|
| 1364 | UInt uiWidthInCU = rpcPic->getFrameWidthInCU(); |
---|
| 1365 | UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1); |
---|
| 1366 | TComDataCU *pcCUTR = NULL; |
---|
| 1367 | if ( pcCUUp && ((uiCUAddr%uiWidthInCU+1) < uiWidthInCU) ) |
---|
| 1368 | { |
---|
| 1369 | pcCUTR = rpcPic->getCU( uiCUAddr - uiWidthInCU + 1 ); |
---|
| 1370 | } |
---|
| 1371 | if ( (true/*bEnforceSliceRestriction*/ && |
---|
| 1372 | ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || |
---|
| 1373 | (pcCUTR->getSCUAddr()+uiMaxParts-1 < pcSlice->getSliceCurStartCUAddr()) || |
---|
| 1374 | ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))) |
---|
| 1375 | )) |
---|
| 1376 | ) |
---|
| 1377 | { |
---|
| 1378 | // TR not available. |
---|
| 1379 | } |
---|
| 1380 | else |
---|
| 1381 | { |
---|
| 1382 | // TR is available, we use it. |
---|
| 1383 | pcSbacCoders[uiSubStrm].loadContexts( &m_pcBufferSbacCoders[uiTileCol] ); |
---|
| 1384 | } |
---|
| 1385 | } |
---|
| 1386 | m_pcSbacCoder->load(&pcSbacCoders[uiSubStrm]); //this load is used to simplify the code (avoid to change all the call to m_pcSbacCoder) |
---|
| 1387 | } |
---|
| 1388 | // reset the entropy coder |
---|
| 1389 | if( uiCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(uiCUAddr))->getFirstCUAddr() && // must be first CU of tile |
---|
| 1390 | uiCUAddr!=0 && // cannot be first CU of picture |
---|
| 1391 | uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceSegmentCurStartCUAddr())/rpcPic->getNumPartInCU() && |
---|
| 1392 | uiCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU()) // cannot be first CU of slice |
---|
| 1393 | { |
---|
| 1394 | { |
---|
| 1395 | // We're crossing into another tile, tiles are independent. |
---|
| 1396 | // When tiles are independent, we have "substreams per tile". Each substream has already been terminated, and we no longer |
---|
| 1397 | // have to perform it here. |
---|
| 1398 | if (pcSlice->getPPS()->getNumSubstreams() > 1) |
---|
| 1399 | { |
---|
| 1400 | ; // do nothing. |
---|
| 1401 | } |
---|
| 1402 | else |
---|
| 1403 | { |
---|
| 1404 | SliceType sliceType = pcSlice->getSliceType(); |
---|
| 1405 | if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag() && pcSlice->getPPS()->getEncCABACTableIdx()!=I_SLICE) |
---|
| 1406 | { |
---|
| 1407 | sliceType = (SliceType) pcSlice->getPPS()->getEncCABACTableIdx(); |
---|
| 1408 | } |
---|
| 1409 | m_pcEntropyCoder->updateContextTables( sliceType, pcSlice->getSliceQp() ); |
---|
| 1410 | // Byte-alignment in slice_data() when new tile |
---|
| 1411 | pcSubstreams[uiSubStrm].writeByteAlignment(); |
---|
| 1412 | } |
---|
| 1413 | } |
---|
| 1414 | { |
---|
[362] | 1415 | UInt numStartCodeEmulations = pcSubstreams[uiSubStrm].countStartCodeEmulations(); |
---|
[324] | 1416 | UInt uiAccumulatedSubstreamLength = 0; |
---|
| 1417 | for (Int iSubstrmIdx=0; iSubstrmIdx < iNumSubstreams; iSubstrmIdx++) |
---|
| 1418 | { |
---|
| 1419 | uiAccumulatedSubstreamLength += pcSubstreams[iSubstrmIdx].getNumberOfWrittenBits(); |
---|
| 1420 | } |
---|
| 1421 | // add bits coded in previous dependent slices + bits coded so far |
---|
| 1422 | // add number of emulation prevention byte count in the tile |
---|
[362] | 1423 | pcSlice->addTileLocation( ((pcSlice->getTileOffstForMultES() + uiAccumulatedSubstreamLength - uiBitsOriginallyInSubstreams) >> 3) + numStartCodeEmulations ); |
---|
[324] | 1424 | } |
---|
| 1425 | } |
---|
| 1426 | |
---|
| 1427 | TComDataCU*& pcCU = rpcPic->getCU( uiCUAddr ); |
---|
| 1428 | if ( pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()) ) |
---|
| 1429 | { |
---|
| 1430 | SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); |
---|
| 1431 | Int iNumCuInWidth = saoParam->numCuInWidth; |
---|
| 1432 | Int iCUAddrInSlice = uiCUAddr - rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU()); |
---|
| 1433 | Int iCUAddrUpInSlice = iCUAddrInSlice - iNumCuInWidth; |
---|
| 1434 | Int rx = uiCUAddr % iNumCuInWidth; |
---|
| 1435 | Int ry = uiCUAddr / iNumCuInWidth; |
---|
| 1436 | Int allowMergeLeft = 1; |
---|
| 1437 | Int allowMergeUp = 1; |
---|
| 1438 | if (rx!=0) |
---|
| 1439 | { |
---|
| 1440 | if (rpcPic->getPicSym()->getTileIdxMap(uiCUAddr-1) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)) |
---|
| 1441 | { |
---|
| 1442 | allowMergeLeft = 0; |
---|
| 1443 | } |
---|
| 1444 | } |
---|
| 1445 | if (ry!=0) |
---|
| 1446 | { |
---|
| 1447 | if (rpcPic->getPicSym()->getTileIdxMap(uiCUAddr-iNumCuInWidth) != rpcPic->getPicSym()->getTileIdxMap(uiCUAddr)) |
---|
| 1448 | { |
---|
| 1449 | allowMergeUp = 0; |
---|
| 1450 | } |
---|
| 1451 | } |
---|
| 1452 | Int addr = pcCU->getAddr(); |
---|
| 1453 | allowMergeLeft = allowMergeLeft && (rx>0) && (iCUAddrInSlice!=0); |
---|
| 1454 | allowMergeUp = allowMergeUp && (ry>0) && (iCUAddrUpInSlice>=0); |
---|
| 1455 | if( saoParam->bSaoFlag[0] || saoParam->bSaoFlag[1] ) |
---|
| 1456 | { |
---|
| 1457 | Int mergeLeft = saoParam->saoLcuParam[0][addr].mergeLeftFlag; |
---|
| 1458 | Int mergeUp = saoParam->saoLcuParam[0][addr].mergeUpFlag; |
---|
| 1459 | if (allowMergeLeft) |
---|
| 1460 | { |
---|
| 1461 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(mergeLeft); |
---|
| 1462 | } |
---|
| 1463 | else |
---|
| 1464 | { |
---|
| 1465 | mergeLeft = 0; |
---|
| 1466 | } |
---|
| 1467 | if(mergeLeft == 0) |
---|
| 1468 | { |
---|
| 1469 | if (allowMergeUp) |
---|
| 1470 | { |
---|
| 1471 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(mergeUp); |
---|
| 1472 | } |
---|
| 1473 | else |
---|
| 1474 | { |
---|
| 1475 | mergeUp = 0; |
---|
| 1476 | } |
---|
| 1477 | if(mergeUp == 0) |
---|
| 1478 | { |
---|
| 1479 | for (Int compIdx=0;compIdx<3;compIdx++) |
---|
| 1480 | { |
---|
| 1481 | if( (compIdx == 0 && saoParam->bSaoFlag[0]) || (compIdx > 0 && saoParam->bSaoFlag[1])) |
---|
| 1482 | { |
---|
| 1483 | m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx); |
---|
| 1484 | } |
---|
| 1485 | } |
---|
| 1486 | } |
---|
| 1487 | } |
---|
| 1488 | } |
---|
| 1489 | } |
---|
| 1490 | else if (pcSlice->getSPS()->getUseSAO()) |
---|
| 1491 | { |
---|
| 1492 | Int addr = pcCU->getAddr(); |
---|
| 1493 | SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); |
---|
| 1494 | for (Int cIdx=0; cIdx<3; cIdx++) |
---|
| 1495 | { |
---|
| 1496 | SaoLcuParam *saoLcuParam = &(saoParam->saoLcuParam[cIdx][addr]); |
---|
| 1497 | if ( ((cIdx == 0) && !pcSlice->getSaoEnabledFlag()) || ((cIdx == 1 || cIdx == 2) && !pcSlice->getSaoEnabledFlagChroma())) |
---|
| 1498 | { |
---|
| 1499 | saoLcuParam->mergeUpFlag = 0; |
---|
| 1500 | saoLcuParam->mergeLeftFlag = 0; |
---|
| 1501 | saoLcuParam->subTypeIdx = 0; |
---|
| 1502 | saoLcuParam->typeIdx = -1; |
---|
| 1503 | saoLcuParam->offset[0] = 0; |
---|
| 1504 | saoLcuParam->offset[1] = 0; |
---|
| 1505 | saoLcuParam->offset[2] = 0; |
---|
| 1506 | saoLcuParam->offset[3] = 0; |
---|
| 1507 | } |
---|
| 1508 | } |
---|
| 1509 | } |
---|
| 1510 | #if ENC_DEC_TRACE |
---|
| 1511 | g_bJustDoIt = g_bEncDecTraceEnable; |
---|
| 1512 | #endif |
---|
| 1513 | if ( (m_pcCfg->getSliceMode()!=0 || m_pcCfg->getSliceSegmentMode()!=0) && |
---|
| 1514 | uiCUAddr == rpcPic->getPicSym()->getCUOrderMap((uiBoundingCUAddr+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU()-1) ) |
---|
| 1515 | { |
---|
| 1516 | m_pcCuEncoder->encodeCU( pcCU ); |
---|
| 1517 | } |
---|
| 1518 | else |
---|
| 1519 | { |
---|
| 1520 | m_pcCuEncoder->encodeCU( pcCU ); |
---|
| 1521 | } |
---|
| 1522 | #if ENC_DEC_TRACE |
---|
| 1523 | g_bJustDoIt = g_bEncDecTraceDisable; |
---|
| 1524 | #endif |
---|
| 1525 | if( m_pcCfg->getUseSBACRD() ) |
---|
| 1526 | { |
---|
| 1527 | pcSbacCoders[uiSubStrm].load(m_pcSbacCoder); //load back status of the entropy coder after encoding the LCU into relevant bitstream entropy coder |
---|
| 1528 | |
---|
| 1529 | |
---|
| 1530 | //Store probabilties of second LCU in line into buffer |
---|
| 1531 | if ( (depSliceSegmentsEnabled || (pcSlice->getPPS()->getNumSubstreams() > 1)) && (uiCol == uiTileLCUX+1) && m_pcCfg->getWaveFrontsynchro()) |
---|
| 1532 | { |
---|
| 1533 | m_pcBufferSbacCoders[uiTileCol].loadContexts( &pcSbacCoders[uiSubStrm] ); |
---|
| 1534 | } |
---|
| 1535 | } |
---|
| 1536 | } |
---|
| 1537 | if( depSliceSegmentsEnabled ) |
---|
| 1538 | { |
---|
| 1539 | if (m_pcCfg->getWaveFrontsynchro()) |
---|
| 1540 | { |
---|
| 1541 | CTXMem[1]->loadContexts( &m_pcBufferSbacCoders[uiTileCol] );//ctx 2.LCU |
---|
| 1542 | } |
---|
| 1543 | CTXMem[0]->loadContexts( m_pcSbacCoder );//ctx end of dep.slice |
---|
| 1544 | } |
---|
| 1545 | #if ADAPTIVE_QP_SELECTION |
---|
| 1546 | if( m_pcCfg->getUseAdaptQpSelect() ) |
---|
| 1547 | { |
---|
| 1548 | m_pcTrQuant->storeSliceQpNext(pcSlice); |
---|
| 1549 | } |
---|
| 1550 | #endif |
---|
| 1551 | if (pcSlice->getPPS()->getCabacInitPresentFlag()) |
---|
| 1552 | { |
---|
| 1553 | if (pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag()) |
---|
| 1554 | { |
---|
| 1555 | pcSlice->getPPS()->setEncCABACTableIdx( pcSlice->getSliceType() ); |
---|
| 1556 | } |
---|
| 1557 | else |
---|
| 1558 | { |
---|
| 1559 | m_pcEntropyCoder->determineCabacInitIdx(); |
---|
| 1560 | } |
---|
| 1561 | } |
---|
| 1562 | } |
---|
| 1563 | |
---|
| 1564 | /** Determines the starting and bounding LCU address of current slice / dependent slice |
---|
| 1565 | * \param bEncodeSlice Identifies if the calling function is compressSlice() [false] or encodeSlice() [true] |
---|
| 1566 | * \returns Updates uiStartCUAddr, uiBoundingCUAddr with appropriate LCU address |
---|
| 1567 | */ |
---|
| 1568 | Void TEncSlice::xDetermineStartAndBoundingCUAddr ( UInt& startCUAddr, UInt& boundingCUAddr, TComPic*& rpcPic, Bool bEncodeSlice ) |
---|
| 1569 | { |
---|
| 1570 | TComSlice* pcSlice = rpcPic->getSlice(getSliceIdx()); |
---|
| 1571 | UInt uiStartCUAddrSlice, uiBoundingCUAddrSlice; |
---|
| 1572 | UInt tileIdxIncrement; |
---|
| 1573 | UInt tileIdx; |
---|
| 1574 | UInt tileWidthInLcu; |
---|
| 1575 | UInt tileHeightInLcu; |
---|
| 1576 | UInt tileTotalCount; |
---|
| 1577 | |
---|
| 1578 | uiStartCUAddrSlice = pcSlice->getSliceCurStartCUAddr(); |
---|
| 1579 | UInt uiNumberOfCUsInFrame = rpcPic->getNumCUsInFrame(); |
---|
| 1580 | uiBoundingCUAddrSlice = uiNumberOfCUsInFrame; |
---|
| 1581 | if (bEncodeSlice) |
---|
| 1582 | { |
---|
| 1583 | UInt uiCUAddrIncrement; |
---|
| 1584 | switch (m_pcCfg->getSliceMode()) |
---|
| 1585 | { |
---|
| 1586 | case FIXED_NUMBER_OF_LCU: |
---|
| 1587 | uiCUAddrIncrement = m_pcCfg->getSliceArgument(); |
---|
| 1588 | uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1589 | break; |
---|
| 1590 | case FIXED_NUMBER_OF_BYTES: |
---|
| 1591 | uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); |
---|
| 1592 | uiBoundingCUAddrSlice = pcSlice->getSliceCurEndCUAddr(); |
---|
| 1593 | break; |
---|
| 1594 | case FIXED_NUMBER_OF_TILES: |
---|
| 1595 | tileIdx = rpcPic->getPicSym()->getTileIdxMap( |
---|
| 1596 | rpcPic->getPicSym()->getCUOrderMap(uiStartCUAddrSlice/rpcPic->getNumPartInCU()) |
---|
| 1597 | ); |
---|
| 1598 | uiCUAddrIncrement = 0; |
---|
| 1599 | tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); |
---|
| 1600 | |
---|
| 1601 | for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceArgument(); tileIdxIncrement++) |
---|
| 1602 | { |
---|
| 1603 | if((tileIdx + tileIdxIncrement) < tileTotalCount) |
---|
| 1604 | { |
---|
| 1605 | tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); |
---|
| 1606 | tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); |
---|
| 1607 | uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); |
---|
| 1608 | } |
---|
| 1609 | } |
---|
| 1610 | |
---|
| 1611 | uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1612 | break; |
---|
| 1613 | default: |
---|
| 1614 | uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); |
---|
| 1615 | uiBoundingCUAddrSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1616 | break; |
---|
| 1617 | } |
---|
| 1618 | // WPP: if a slice does not start at the beginning of a CTB row, it must end within the same CTB row |
---|
| 1619 | if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) |
---|
| 1620 | { |
---|
| 1621 | uiBoundingCUAddrSlice = min(uiBoundingCUAddrSlice, uiStartCUAddrSlice - (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); |
---|
| 1622 | } |
---|
| 1623 | pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); |
---|
| 1624 | } |
---|
| 1625 | else |
---|
| 1626 | { |
---|
| 1627 | UInt uiCUAddrIncrement ; |
---|
| 1628 | switch (m_pcCfg->getSliceMode()) |
---|
| 1629 | { |
---|
| 1630 | case FIXED_NUMBER_OF_LCU: |
---|
| 1631 | uiCUAddrIncrement = m_pcCfg->getSliceArgument(); |
---|
| 1632 | uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1633 | break; |
---|
| 1634 | case FIXED_NUMBER_OF_TILES: |
---|
| 1635 | tileIdx = rpcPic->getPicSym()->getTileIdxMap( |
---|
| 1636 | rpcPic->getPicSym()->getCUOrderMap(uiStartCUAddrSlice/rpcPic->getNumPartInCU()) |
---|
| 1637 | ); |
---|
| 1638 | uiCUAddrIncrement = 0; |
---|
| 1639 | tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); |
---|
| 1640 | |
---|
| 1641 | for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceArgument(); tileIdxIncrement++) |
---|
| 1642 | { |
---|
| 1643 | if((tileIdx + tileIdxIncrement) < tileTotalCount) |
---|
| 1644 | { |
---|
| 1645 | tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); |
---|
| 1646 | tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); |
---|
| 1647 | uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); |
---|
| 1648 | } |
---|
| 1649 | } |
---|
| 1650 | |
---|
| 1651 | uiBoundingCUAddrSlice = ((uiStartCUAddrSlice + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU()) ? (uiStartCUAddrSlice + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1652 | break; |
---|
| 1653 | default: |
---|
| 1654 | uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); |
---|
| 1655 | uiBoundingCUAddrSlice = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1656 | break; |
---|
| 1657 | } |
---|
| 1658 | // WPP: if a slice does not start at the beginning of a CTB row, it must end within the same CTB row |
---|
| 1659 | if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) |
---|
| 1660 | { |
---|
| 1661 | uiBoundingCUAddrSlice = min(uiBoundingCUAddrSlice, uiStartCUAddrSlice - (uiStartCUAddrSlice % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); |
---|
| 1662 | } |
---|
| 1663 | pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); |
---|
| 1664 | } |
---|
| 1665 | |
---|
| 1666 | Bool tileBoundary = false; |
---|
| 1667 | if ((m_pcCfg->getSliceMode() == FIXED_NUMBER_OF_LCU || m_pcCfg->getSliceMode() == FIXED_NUMBER_OF_BYTES) && |
---|
| 1668 | (m_pcCfg->getNumRowsMinus1() > 0 || m_pcCfg->getNumColumnsMinus1() > 0)) |
---|
| 1669 | { |
---|
| 1670 | UInt lcuEncAddr = (uiStartCUAddrSlice+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU(); |
---|
| 1671 | UInt lcuAddr = rpcPic->getPicSym()->getCUOrderMap(lcuEncAddr); |
---|
| 1672 | UInt startTileIdx = rpcPic->getPicSym()->getTileIdxMap(lcuAddr); |
---|
| 1673 | UInt tileBoundingCUAddrSlice = 0; |
---|
| 1674 | while (lcuEncAddr < uiNumberOfCUsInFrame && rpcPic->getPicSym()->getTileIdxMap(lcuAddr) == startTileIdx) |
---|
| 1675 | { |
---|
| 1676 | lcuEncAddr++; |
---|
| 1677 | lcuAddr = rpcPic->getPicSym()->getCUOrderMap(lcuEncAddr); |
---|
| 1678 | } |
---|
| 1679 | tileBoundingCUAddrSlice = lcuEncAddr*rpcPic->getNumPartInCU(); |
---|
| 1680 | |
---|
| 1681 | if (tileBoundingCUAddrSlice < uiBoundingCUAddrSlice) |
---|
| 1682 | { |
---|
| 1683 | uiBoundingCUAddrSlice = tileBoundingCUAddrSlice; |
---|
| 1684 | pcSlice->setSliceCurEndCUAddr( uiBoundingCUAddrSlice ); |
---|
| 1685 | tileBoundary = true; |
---|
| 1686 | } |
---|
| 1687 | } |
---|
| 1688 | |
---|
| 1689 | // Dependent slice |
---|
| 1690 | UInt startCUAddrSliceSegment, boundingCUAddrSliceSegment; |
---|
| 1691 | startCUAddrSliceSegment = pcSlice->getSliceSegmentCurStartCUAddr(); |
---|
| 1692 | boundingCUAddrSliceSegment = uiNumberOfCUsInFrame; |
---|
| 1693 | if (bEncodeSlice) |
---|
| 1694 | { |
---|
| 1695 | UInt uiCUAddrIncrement; |
---|
| 1696 | switch (m_pcCfg->getSliceSegmentMode()) |
---|
| 1697 | { |
---|
| 1698 | case FIXED_NUMBER_OF_LCU: |
---|
| 1699 | uiCUAddrIncrement = m_pcCfg->getSliceSegmentArgument(); |
---|
| 1700 | boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1701 | break; |
---|
| 1702 | case FIXED_NUMBER_OF_BYTES: |
---|
| 1703 | uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); |
---|
| 1704 | boundingCUAddrSliceSegment = pcSlice->getSliceSegmentCurEndCUAddr(); |
---|
| 1705 | break; |
---|
| 1706 | case FIXED_NUMBER_OF_TILES: |
---|
| 1707 | tileIdx = rpcPic->getPicSym()->getTileIdxMap( |
---|
| 1708 | rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceSegmentCurStartCUAddr()/rpcPic->getNumPartInCU()) |
---|
| 1709 | ); |
---|
| 1710 | uiCUAddrIncrement = 0; |
---|
| 1711 | tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); |
---|
| 1712 | |
---|
| 1713 | for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceSegmentArgument(); tileIdxIncrement++) |
---|
| 1714 | { |
---|
| 1715 | if((tileIdx + tileIdxIncrement) < tileTotalCount) |
---|
| 1716 | { |
---|
| 1717 | tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); |
---|
| 1718 | tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); |
---|
| 1719 | uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); |
---|
| 1720 | } |
---|
| 1721 | } |
---|
| 1722 | boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1723 | break; |
---|
| 1724 | default: |
---|
| 1725 | uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); |
---|
| 1726 | boundingCUAddrSliceSegment = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1727 | break; |
---|
| 1728 | } |
---|
| 1729 | // WPP: if a slice segment does not start at the beginning of a CTB row, it must end within the same CTB row |
---|
| 1730 | if (pcSlice->getPPS()->getNumSubstreams() > 1 && (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) |
---|
| 1731 | { |
---|
| 1732 | boundingCUAddrSliceSegment = min(boundingCUAddrSliceSegment, startCUAddrSliceSegment - (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); |
---|
| 1733 | } |
---|
| 1734 | pcSlice->setSliceSegmentCurEndCUAddr( boundingCUAddrSliceSegment ); |
---|
| 1735 | } |
---|
| 1736 | else |
---|
| 1737 | { |
---|
| 1738 | UInt uiCUAddrIncrement; |
---|
| 1739 | switch (m_pcCfg->getSliceSegmentMode()) |
---|
| 1740 | { |
---|
| 1741 | case FIXED_NUMBER_OF_LCU: |
---|
| 1742 | uiCUAddrIncrement = m_pcCfg->getSliceSegmentArgument(); |
---|
| 1743 | boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1744 | break; |
---|
| 1745 | case FIXED_NUMBER_OF_TILES: |
---|
| 1746 | tileIdx = rpcPic->getPicSym()->getTileIdxMap( |
---|
| 1747 | rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceSegmentCurStartCUAddr()/rpcPic->getNumPartInCU()) |
---|
| 1748 | ); |
---|
| 1749 | uiCUAddrIncrement = 0; |
---|
| 1750 | tileTotalCount = (rpcPic->getPicSym()->getNumColumnsMinus1()+1) * (rpcPic->getPicSym()->getNumRowsMinus1()+1); |
---|
| 1751 | |
---|
| 1752 | for(tileIdxIncrement = 0; tileIdxIncrement < m_pcCfg->getSliceSegmentArgument(); tileIdxIncrement++) |
---|
| 1753 | { |
---|
| 1754 | if((tileIdx + tileIdxIncrement) < tileTotalCount) |
---|
| 1755 | { |
---|
| 1756 | tileWidthInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidth(); |
---|
| 1757 | tileHeightInLcu = rpcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeight(); |
---|
| 1758 | uiCUAddrIncrement += (tileWidthInLcu * tileHeightInLcu * rpcPic->getNumPartInCU()); |
---|
| 1759 | } |
---|
| 1760 | } |
---|
| 1761 | boundingCUAddrSliceSegment = ((startCUAddrSliceSegment + uiCUAddrIncrement) < uiNumberOfCUsInFrame*rpcPic->getNumPartInCU() ) ? (startCUAddrSliceSegment + uiCUAddrIncrement) : uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1762 | break; |
---|
| 1763 | default: |
---|
| 1764 | uiCUAddrIncrement = rpcPic->getNumCUsInFrame(); |
---|
| 1765 | boundingCUAddrSliceSegment = uiNumberOfCUsInFrame*rpcPic->getNumPartInCU(); |
---|
| 1766 | break; |
---|
| 1767 | } |
---|
| 1768 | // WPP: if a slice segment does not start at the beginning of a CTB row, it must end within the same CTB row |
---|
| 1769 | if (pcSlice->getPPS()->getNumSubstreams() > 1 && (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU()) != 0)) |
---|
| 1770 | { |
---|
| 1771 | boundingCUAddrSliceSegment = min(boundingCUAddrSliceSegment, startCUAddrSliceSegment - (startCUAddrSliceSegment % (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())) + (rpcPic->getFrameWidthInCU()*rpcPic->getNumPartInCU())); |
---|
| 1772 | } |
---|
| 1773 | pcSlice->setSliceSegmentCurEndCUAddr( boundingCUAddrSliceSegment ); |
---|
| 1774 | } |
---|
| 1775 | if ((m_pcCfg->getSliceSegmentMode() == FIXED_NUMBER_OF_LCU || m_pcCfg->getSliceSegmentMode() == FIXED_NUMBER_OF_BYTES) && |
---|
| 1776 | (m_pcCfg->getNumRowsMinus1() > 0 || m_pcCfg->getNumColumnsMinus1() > 0)) |
---|
| 1777 | { |
---|
| 1778 | UInt lcuEncAddr = (startCUAddrSliceSegment+rpcPic->getNumPartInCU()-1)/rpcPic->getNumPartInCU(); |
---|
| 1779 | UInt lcuAddr = rpcPic->getPicSym()->getCUOrderMap(lcuEncAddr); |
---|
| 1780 | UInt startTileIdx = rpcPic->getPicSym()->getTileIdxMap(lcuAddr); |
---|
| 1781 | UInt tileBoundingCUAddrSlice = 0; |
---|
| 1782 | while (lcuEncAddr < uiNumberOfCUsInFrame && rpcPic->getPicSym()->getTileIdxMap(lcuAddr) == startTileIdx) |
---|
| 1783 | { |
---|
| 1784 | lcuEncAddr++; |
---|
| 1785 | lcuAddr = rpcPic->getPicSym()->getCUOrderMap(lcuEncAddr); |
---|
| 1786 | } |
---|
| 1787 | tileBoundingCUAddrSlice = lcuEncAddr*rpcPic->getNumPartInCU(); |
---|
| 1788 | |
---|
| 1789 | if (tileBoundingCUAddrSlice < boundingCUAddrSliceSegment) |
---|
| 1790 | { |
---|
| 1791 | boundingCUAddrSliceSegment = tileBoundingCUAddrSlice; |
---|
| 1792 | pcSlice->setSliceSegmentCurEndCUAddr( boundingCUAddrSliceSegment ); |
---|
| 1793 | tileBoundary = true; |
---|
| 1794 | } |
---|
| 1795 | } |
---|
| 1796 | |
---|
| 1797 | if(boundingCUAddrSliceSegment>uiBoundingCUAddrSlice) |
---|
| 1798 | { |
---|
| 1799 | boundingCUAddrSliceSegment = uiBoundingCUAddrSlice; |
---|
| 1800 | pcSlice->setSliceSegmentCurEndCUAddr(uiBoundingCUAddrSlice); |
---|
| 1801 | } |
---|
| 1802 | |
---|
| 1803 | //calculate real dependent slice start address |
---|
| 1804 | UInt uiInternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceSegmentCurStartCUAddr()) % rpcPic->getNumPartInCU(); |
---|
| 1805 | UInt uiExternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceSegmentCurStartCUAddr()) / rpcPic->getNumPartInCU(); |
---|
| 1806 | UInt uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; |
---|
| 1807 | UInt uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; |
---|
| 1808 | UInt uiWidth = pcSlice->getSPS()->getPicWidthInLumaSamples(); |
---|
| 1809 | UInt uiHeight = pcSlice->getSPS()->getPicHeightInLumaSamples(); |
---|
| 1810 | while((uiPosX>=uiWidth||uiPosY>=uiHeight)&&!(uiPosX>=uiWidth&&uiPosY>=uiHeight)) |
---|
| 1811 | { |
---|
| 1812 | uiInternalAddress++; |
---|
| 1813 | if(uiInternalAddress>=rpcPic->getNumPartInCU()) |
---|
| 1814 | { |
---|
| 1815 | uiInternalAddress=0; |
---|
| 1816 | uiExternalAddress = rpcPic->getPicSym()->getCUOrderMap(rpcPic->getPicSym()->getInverseCUOrderMap(uiExternalAddress)+1); |
---|
| 1817 | } |
---|
| 1818 | uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; |
---|
| 1819 | uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; |
---|
| 1820 | } |
---|
| 1821 | UInt uiRealStartAddress = rpcPic->getPicSym()->getPicSCUEncOrder(uiExternalAddress*rpcPic->getNumPartInCU()+uiInternalAddress); |
---|
| 1822 | |
---|
| 1823 | pcSlice->setSliceSegmentCurStartCUAddr(uiRealStartAddress); |
---|
| 1824 | startCUAddrSliceSegment=uiRealStartAddress; |
---|
| 1825 | |
---|
| 1826 | //calculate real slice start address |
---|
| 1827 | uiInternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceCurStartCUAddr()) % rpcPic->getNumPartInCU(); |
---|
| 1828 | uiExternalAddress = rpcPic->getPicSym()->getPicSCUAddr(pcSlice->getSliceCurStartCUAddr()) / rpcPic->getNumPartInCU(); |
---|
| 1829 | uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; |
---|
| 1830 | uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; |
---|
| 1831 | uiWidth = pcSlice->getSPS()->getPicWidthInLumaSamples(); |
---|
| 1832 | uiHeight = pcSlice->getSPS()->getPicHeightInLumaSamples(); |
---|
| 1833 | while((uiPosX>=uiWidth||uiPosY>=uiHeight)&&!(uiPosX>=uiWidth&&uiPosY>=uiHeight)) |
---|
| 1834 | { |
---|
| 1835 | uiInternalAddress++; |
---|
| 1836 | if(uiInternalAddress>=rpcPic->getNumPartInCU()) |
---|
| 1837 | { |
---|
| 1838 | uiInternalAddress=0; |
---|
| 1839 | uiExternalAddress = rpcPic->getPicSym()->getCUOrderMap(rpcPic->getPicSym()->getInverseCUOrderMap(uiExternalAddress)+1); |
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| 1840 | } |
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| 1841 | uiPosX = ( uiExternalAddress % rpcPic->getFrameWidthInCU() ) * g_uiMaxCUWidth+ g_auiRasterToPelX[ g_auiZscanToRaster[uiInternalAddress] ]; |
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| 1842 | uiPosY = ( uiExternalAddress / rpcPic->getFrameWidthInCU() ) * g_uiMaxCUHeight+ g_auiRasterToPelY[ g_auiZscanToRaster[uiInternalAddress] ]; |
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| 1843 | } |
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| 1844 | uiRealStartAddress = rpcPic->getPicSym()->getPicSCUEncOrder(uiExternalAddress*rpcPic->getNumPartInCU()+uiInternalAddress); |
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| 1845 | |
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| 1846 | pcSlice->setSliceCurStartCUAddr(uiRealStartAddress); |
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| 1847 | uiStartCUAddrSlice=uiRealStartAddress; |
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| 1848 | |
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| 1849 | // Make a joint decision based on reconstruction and dependent slice bounds |
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| 1850 | startCUAddr = max(uiStartCUAddrSlice , startCUAddrSliceSegment ); |
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| 1851 | boundingCUAddr = min(uiBoundingCUAddrSlice, boundingCUAddrSliceSegment); |
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| 1852 | |
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| 1853 | |
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| 1854 | if (!bEncodeSlice) |
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| 1855 | { |
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| 1856 | // For fixed number of LCU within an entropy and reconstruction slice we already know whether we will encounter end of entropy and/or reconstruction slice |
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| 1857 | // first. Set the flags accordingly. |
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| 1858 | if ( (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_LCU && m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_LCU) |
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| 1859 | || (m_pcCfg->getSliceMode()==0 && m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_LCU) |
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| 1860 | || (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_LCU && m_pcCfg->getSliceSegmentMode()==0) |
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| 1861 | || (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_TILES && m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_LCU) |
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| 1862 | || (m_pcCfg->getSliceMode()==FIXED_NUMBER_OF_TILES && m_pcCfg->getSliceSegmentMode()==0) |
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| 1863 | || (m_pcCfg->getSliceSegmentMode()==FIXED_NUMBER_OF_TILES && m_pcCfg->getSliceMode()==0) |
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| 1864 | || tileBoundary |
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| 1865 | ) |
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| 1866 | { |
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| 1867 | if (uiBoundingCUAddrSlice < boundingCUAddrSliceSegment) |
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| 1868 | { |
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| 1869 | pcSlice->setNextSlice ( true ); |
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| 1870 | pcSlice->setNextSliceSegment( false ); |
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| 1871 | } |
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| 1872 | else if (uiBoundingCUAddrSlice > boundingCUAddrSliceSegment) |
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| 1873 | { |
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| 1874 | pcSlice->setNextSlice ( false ); |
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| 1875 | pcSlice->setNextSliceSegment( true ); |
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| 1876 | } |
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| 1877 | else |
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| 1878 | { |
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| 1879 | pcSlice->setNextSlice ( true ); |
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| 1880 | pcSlice->setNextSliceSegment( true ); |
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| 1881 | } |
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| 1882 | } |
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| 1883 | else |
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| 1884 | { |
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| 1885 | pcSlice->setNextSlice ( false ); |
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| 1886 | pcSlice->setNextSliceSegment( false ); |
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| 1887 | } |
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| 1888 | } |
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| 1889 | } |
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| 1890 | |
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| 1891 | Double TEncSlice::xGetQPValueAccordingToLambda ( Double lambda ) |
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| 1892 | { |
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| 1893 | return 4.2005*log(lambda) + 13.7122; |
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| 1894 | } |
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| 1895 | |
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| 1896 | //! \} |
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